Circular Connector Backshells

Circular connector backshells are components of a wiring system that attach to the cable side of a circular connector in order to provide robustness and ensure its integrity. They are typically separate from the connector head itself, and secure the cable to the connector via a clamp.

Why are circular connector backshells needed?

Circular connector backshells help to protect the connector, and to safeguard the reliability of the cable and ultimately the entire system. They prevent the ingress of dirt, moisture and liquids into the connector head by providing a tight seal against the cable itself. In addition they act as an effective form of strain relief for the connector assembly, ensuring that the cable cannot be bent to an excessive angle, which could potentially damage it.

What are circular connector backshells used for?

Circular connector backshells are used to shield wire connection points of interconnecting cables and connectors. They may also be used to shield against electrical interference in a system by acting as a continuation of the cable ground sheath directly into the connector itself.


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Description Price For Use With Shell Size Body Orientation Gender Housing Material Spring Clip Size Thread Size IP Rating Length Number of Contacts Strain Relief Series
RS Stock No. 190-3905
Mfr. Part No.2428-010-2405
BrandDeutsch
MYR15.92
Each (In a Box of 125)
units
HDP20 Series 24 Straight - Thermoplastic - - IP67 - - Yes L017
RS Stock No. 823-6285
Mfr. Part No.AIA-5003-09-00-00-10-AA-10
MYR390.40
Each
units
MIL-DTL-38999 Black Zinc Connectors 9 Straight - Aluminium Alloy - M12 x 1 - 1.431in - - 5003
New
RS Stock No. 206-7528
Mfr. Part No.M85049/38-19A
MYR57.16
Each
units
38999 III 19 Straight - Aluminium Alloy - - - - - Yes MIL
New
RS Stock No. 206-7567
Mfr. Part No.M85049/69-15Z
MYR75.81
Each
units
38999 III 15 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 873-1796
Mfr. Part No.97-3057-1004
MYR35.16
Each
units
Jacketed Cable, Wires Protected by Tubing 10SL, 12S Straight - - - 5/8 in - 24 - 20.19mm - - 97
RS Stock No. 198-7521
Mfr. Part No.BK4SRL24179SZN
MYR307.63
Each
units
38999 III 24 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 241-1345
Mfr. Part No.91D1-18-12-1-ZB
BrandPolamco
MYR204.64
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 18 Straight - Aluminium Alloy 3 UNEF 1-1/16-18 - 34mm - - 91
RS Stock No. 873-1737
Mfr. Part No.97-3055-14-4
MYR44.29
Each
units
97 Series Standard Cylindrical Connector 14, 14S Straight Male - - 3/4 in - 24 (C Thread), 5/8 in - 24 (M Thread) - 22.23mm 1 - 97
RS Stock No. 709-3484
Mfr. Part No.TM178GA-M20
BrandToughcon
MYR134.53
Each
units
- - - - - - - - 34mm - - -
RS Stock No. 182-9906
Mfr. Part No.UTS68E33P
MYR65.991
Each (In a Pack of 25)
units
Connectors 8 - Male Plastic - - IP68/IP69K 21.3mm 3 - UTS
RS Stock No. 873-1759
Mfr. Part No.97-3055-18-8
MYR82.37
Each
units
97 Series Standard Cylindrical Connector 18 Straight Male - - 1 in - 20 (C Thread), 7/8 in - 20 (M Thread) - 22.23mm 1 - 97
RS Stock No. 198-7551
Mfr. Part No.BK4SRN22169SY
MYR212.72
Each
units
38999 III 22 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 873-1941
Mfr. Part No.97-3057-20(621)
MYR104.62
Each (In a Pack of 50)
units
Jacketed Cable, Wires Protected by Tubing 32 Straight - - - 1-3/4 in - 18 - 38.1mm - - 97
RS Stock No. 198-7498
Mfr. Part No.BK4SRL16109SZN
MYR117.62
Each
units
38999 III 16 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 182-9900
Mfr. Part No.UT016JCS
MYR83.79
Each (In a Pack of 25)
units
Connectors 16 - Female - - M25 - 62.5mm - Yes UT0
New
RS Stock No. 206-7591
Mfr. Part No.M85049/88-11N03
MYR155.68
Each
units
38999 III 11 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 873-1658
Mfr. Part No.97-283-14
MYR110.37
Each
units
Jacketed Cable 14 - - Aluminium Alloy - - - - - - 97
RS Stock No. 510-1029
Mfr. Part No.UT0S12JCS
MYR79.86
Each
units
- - - - - - - - 74.5mm - - -
RS Stock No. 689-8945
Mfr. Part No.BK4SRN16109XY
MYR230.99
Each
units
MIL-C 26482 Connector 16 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
New
RS Stock No. 206-7604
Mfr. Part No.M85049/88-17Z03
MYR238.52
Each
units
38999 III 17 Straight - Aluminium Alloy - - - - - No MIL
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