Circular MIL Spec Connectors

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Backshells

Amphenol PCD Backshells offer strain relief, environmental protection, and 360° EMI/RFI shielding at the termination area of virtually any circular connector. These connectors feature a base material constructed of aluminum alloy, stainless steel, brass, or composite and a variety of finishes such as black zinc nickel, cadmium, electroless nickel, anodized black, passivated, and more. Amphenol PCD Backshells have custom designs available and meet or exceed RoHS/REACH compliance standards. Available in both military specifications and commercial types for any application, these backshells meet the Society of Automotive Engineers (SAE) AS85049 standard.

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Types of Circular MIL Spec Connectors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (INR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Product	MIL Type	Shell Size	Shell Style
Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/88-25ZP02 Amphenol PCD 1: ₹7,207.54 47In Stock	Mfr. Part No. M85049/88-25ZP02 Mouser Part No 523-M85049/88-25ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	47In Stock	₹7,207.54 ₹6,406.91 ₹6,387.80 ₹6,191.95 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	25	Straight
Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/85-18ZP02 Amphenol PCD 1: ₹6,003.73 31In Stock	Mfr. Part No. M85049/85-18ZP02 Mouser Part No 523-M85049/85-18ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	31In Stock	₹6,003.73 ₹5,206.93 ₹5,191.64 ₹5,088.46 View ₹5,018.72 Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	18	Straight
Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/88-25ZP03 Amphenol PCD 1: ₹7,205.63 25In Stock	Mfr. Part No. M85049/88-25ZP03 Mouser Part No 523-M85049/88-25ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	25In Stock	₹7,205.63 ₹6,405.00 ₹6,261.69 ₹6,096.41 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	25	Straight
Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 1 M85049/85-12ZP01 Amphenol PCD 1: ₹5,358.84 40In Stock	Mfr. Part No. M85049/85-12ZP01 Mouser Part No 523-M85049/85-12ZP01	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 1 Learn More about Amphenol PCD backshells	Datasheet	40In Stock	₹5,358.84 ₹4,647.07 ₹4,611.72 ₹4,566.81 ₹3,966.82	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	12	Straight
Circular MIL Spec Backshells 88 Backshell Band Lock M85049/88-9N03 Amphenol PCD 1: ₹3,282.75 3,472In Stock 275On Order	Mfr. Part No. M85049/88-9N03 Mouser Part No 523-85049/88-9N03	Amphenol PCD	Circular MIL Spec Backshells 88 Backshell Band Lock Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	3,472In Stock 275On Order	₹3,282.75 ₹3,093.59 ₹2,853.78 ₹2,830.85 View ₹2,761.11 ₹2,719.07 Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	9
Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 23 M85049/89-23W03 Amphenol PCD 1: ₹6,950.54 570In Stock	Mfr. Part No. M85049/89-23W03 Mouser Part No 523-85049/89-23W03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	570In Stock	₹6,950.54 ₹6,394.49 ₹6,215.83 ₹5,803.10 View ₹4,884.00 Quote	Min.: 1 Mult.: 1	No	Band Lock Adapters	MIL-DTL-38999 III, IV	23
Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 2 M85049/82-12ZP02 Amphenol PCD 1: ₹5,607.24 15In Stock	Mfr. Part No. M85049/82-12ZP02 Mouser Part No 523-M85049/82-12ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 2 Learn More about Amphenol PCD backshells	Datasheet	15In Stock	₹5,607.24 ₹4,862.99 ₹4,752.16 ₹4,638.47 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	12	Straight
Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 1 M85049/85-16ZP01 Amphenol PCD 1: ₹5,779.21 4In Stock	Mfr. Part No. M85049/85-16ZP01 Mouser Part No 523-M85049/85-16ZP01	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 1 Learn More about Amphenol PCD backshells	Datasheet	4In Stock	₹5,779.21 ₹5,011.07 ₹4,899.29 ₹4,586.88 View ₹4,554.39 Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	16	Straight
Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/85-24ZP02 Amphenol PCD 1: ₹7,095.76 4In Stock	Mfr. Part No. M85049/85-24ZP02 Mouser Part No 523-M85049/85-24ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	4In Stock	₹7,095.76 ₹6,307.55 ₹5,633.99	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	24	Straight
Circular MIL Spec Backshells Straight Shell size 21 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/88-21ZP02 Amphenol PCD 1: ₹6,427.93 23In Stock	Mfr. Part No. M85049/88-21ZP02 Mouser Part No 523-M85049/88-21ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 21 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	23In Stock	₹6,427.93 ₹5,574.76 ₹5,557.56 ₹5,447.69 View ₹5,308.20 Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	21	Straight
Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/85-14ZP02 Amphenol PCD 1: ₹5,565.21 25In Stock	Mfr. Part No. M85049/85-14ZP02 Mouser Part No 523-M85049/85-14ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	25In Stock	₹5,565.21 ₹4,826.68 ₹4,792.29 ₹4,744.52 ₹4,119.68	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	14	Straight
Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 3 M85049/82-12ZP03 Amphenol PCD 1: ₹5,607.24 9In Stock	Mfr. Part No. M85049/82-12ZP03 Mouser Part No 523-M85049/82-12ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 3 Learn More about Amphenol PCD backshells	Datasheet	9In Stock	₹5,607.24 ₹4,862.99 ₹4,752.16 ₹4,638.47 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	12	Straight
Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/82-24ZP03 Amphenol PCD 1: ₹7,206.58 16In Stock	Mfr. Part No. M85049/82-24ZP03 Mouser Part No 523-M85049/82-24ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	16In Stock	₹7,206.58 ₹6,405.96 ₹6,261.69 ₹6,155.64 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	24	Straight
Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 2 M85049/85-08ZP02 Amphenol PCD 1: ₹5,145.78 25In Stock	Mfr. Part No. M85049/85-08ZP02 Mouser Part No 523-M85049/85-08ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 2 Learn More about Amphenol PCD backshells	Datasheet	25In Stock	₹5,145.78 ₹4,474.14 ₹4,295.48 ₹4,210.45 View ₹4,173.19 Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	8	Straight
Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/85-16ZP02 Amphenol PCD 1: ₹5,781.13 4In Stock	Mfr. Part No. M85049/85-16ZP02 Mouser Part No 523-M85049/85-16ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	4In Stock	₹5,781.13 ₹5,012.98 ₹4,997.70 ₹4,899.29 View ₹4,586.88 ₹4,555.35 Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	16	Straight
Circular MIL Spec Backshells Straight Shell size 20 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/85-20ZP02 Amphenol PCD 1: ₹6,235.90 4In Stock	Mfr. Part No. M85049/85-20ZP02 Mouser Part No 523-M85049/85-20ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 20 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	4In Stock	₹6,235.90 ₹5,697.05 ₹5,589.09 ₹5,284.32 View ₹4,966.17 Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	20	Straight
Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/82-18ZP02 Amphenol PCD 1: ₹6,211.06 11In Stock	Mfr. Part No. M85049/82-18ZP02 Mouser Part No 523-M85049/82-18ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	11In Stock	₹6,211.06 ₹5,386.55 ₹5,264.25 ₹5,122.85 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	18	Straight
Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/82-18ZP03 Amphenol PCD 1: ₹6,211.06 24In Stock	Mfr. Part No. M85049/82-18ZP03 Mouser Part No 523-M85049/82-18ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	24In Stock	₹6,211.06 ₹5,386.55 ₹4,876.36	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	18	Straight
Circular MIL Spec Backshells Straight Shell size 22 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/82-22ZP03 Amphenol PCD 1: ₹6,891.30 14In Stock	Mfr. Part No. M85049/82-22ZP03 Mouser Part No 523-M85049/82-22ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 22 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	14In Stock	₹6,891.30 ₹5,976.03 ₹5,840.36 ₹5,668.39 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	22	Straight
Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/88-19ZP02 Amphenol PCD 1: ₹6,211.06 10In Stock	Mfr. Part No. M85049/88-19ZP02 Mouser Part No 523-M85049/88-19ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	10In Stock	₹6,211.06 ₹5,386.55 ₹4,876.36 Quote Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	19	Straight
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 18 M85049/10-25N Amphenol PCD 1: ₹8,310.07 31In Stock	Mfr. Part No. M85049/10-25N Mouser Part No 523-85049/10-25N	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 18 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	31In Stock	₹8,310.07 ₹7,425.37 ₹7,424.41 ₹7,315.50 View Quote	Min.: 1 Mult.: 1		Environmental EMI/RFI Backshells	MIL-DTL-5015, MIL-DTL-26482 II	10	Straight
Circular MIL Spec Backshells 17 Backshell Env-EMI/RFI M85049/1710N03 Amphenol PCD 1: ₹5,409.47 30In Stock	Mfr. Part No. M85049/1710N03 Mouser Part No 523-85049/1710N03	Amphenol PCD	Circular MIL Spec Backshells 17 Backshell Env-EMI/RFI Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	30In Stock	₹5,409.47 ₹4,954.70 ₹4,950.88	Min.: 1 Mult.: 1		Environmental EMI/RFI Backshells	MIL-DTL-38999 I, II	10	Straight
Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/82-16ZP02 Amphenol PCD 1: ₹5,999.91 11In Stock	Mfr. Part No. M85049/82-16ZP02 Mouser Part No 523-M85049/82-16ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	11In Stock	₹5,999.91 ₹5,203.11 ₹5,085.59 ₹4,948.97 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	16	Straight
Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 1 M85049/85-24ZP01 Amphenol PCD 1: ₹7,095.76 5In Stock	Mfr. Part No. M85049/85-24ZP01 Mouser Part No 523-M85049/85-24ZP01	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 1 Learn More about Amphenol PCD backshells	Datasheet	5In Stock	₹7,095.76 ₹6,307.55 ₹6,164.24 ₹6,087.81 View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	24	Straight
Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/85-12ZP02 Amphenol PCD 1: ₹5,358.84 15In Stock	Mfr. Part No. M85049/85-12ZP02 Mouser Part No 523-M85049/85-12ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	15In Stock	₹5,358.84 ₹4,647.07 ₹4,260.13 Quote Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	12	Straight

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