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.

Types of Circular MIL Spec Connectors
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Results: 11 098
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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product
MIL Type
Shell Size
Shell Style
Amphenol PCD Circular MIL Spec Backshells 17 Backshell Env-EMI/RFI
Datasheet
27In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 I, II 14 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 16
Datasheet
44In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 I, II 16 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 11
Datasheet
92In Stock
100Expected 25/03/2026
Min.: 1
Mult.: 1
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 11 Straight
Amphenol PCD Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI
Datasheet
41In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 11 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 13
Datasheet
52In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 13 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 15
Datasheet
66In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 15 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 15
Datasheet
155In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 15 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 15
Datasheet
35In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 15 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 15
Datasheet
104In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 15 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 17
Datasheet
46In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 17 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 17
Datasheet
48In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 17 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 19
Datasheet
62In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 19 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 19
Datasheet
52In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 19 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 21
Datasheet
44In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 21 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 21
Datasheet
47In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 21 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 23
Datasheet
25In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 23 Straight
Amphenol PCD Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI
Datasheet
50In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 25 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 25
Datasheet
24In Stock
100Expected 06/04/2026
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 25 Straight
Amphenol PCD Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI
Datasheet
35In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 25 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST OD CAD SZ 25
Datasheet
23In Stock
Min.: 1
Mult.: 1
No
Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 25 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 11
Datasheet
41In Stock
Min.: 1
Mult.: 1
No
Non-Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 11 Straight
Amphenol PCD Circular MIL Spec Backshells 19 Backshell Non Env-EMI/RFI
Datasheet
81In Stock
Min.: 1
Mult.: 1
No
Non-Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 11 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 13
Datasheet
128In Stock
Min.: 1
Mult.: 1
No
Non-Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 13 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 15
Datasheet
61In Stock
Min.: 1
Mult.: 1
No
Non-Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 15 Straight
Amphenol PCD Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST CAD SZ 17
Datasheet
34In Stock
Min.: 1
Mult.: 1
No
Non-Environmental EMI/RFI Backshells MIL-DTL-38999 III, IV 17 Straight