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. 220-7051
Mfr. Part No.UTG14AC
SGD10.32
Each
units
- - - - - - - - 46mm - - -
RS Stock No. 265-9806
Mfr. Part No.192993-0084
BrandITT Cannon
SGD47.82
Each
units
- - - - - - - - 88.5mm - - -
RS Stock No. 446-8545
Mfr. Part No.192900-0286
BrandITT Cannon
SGD9.54
Each
units
Neptune Circular Connector, TNM Circular Connector 14 Straight - Polymer - - - 67.1 mm, 80.5 mm - Yes TNA
RS Stock No. 220-7039
Mfr. Part No.UTG10AC
SGD10.68
Each
units
- - - - - - - - 40mm - - -
RS Stock No. 233-2652
Mfr. Part No.UTG16PG
SGD17.31
Each
units
- - - - - - - - 68mm - - -
RS Stock No. 687-6575
Mfr. Part No.UTG18PG
SGD19.75
Each
units
- - - - - - - - 71mm - - -
RS Stock No. 220-7045
Mfr. Part No.UTG12AC
SGD8.54
Each
units
- - - - - - - - 40mm - - -
RS Stock No. 873-1869
Mfr. Part No.97-3057-1016
SGD11.41
Each
units
Jacketed Cable, Wires Protected by Tubing 24, 28 Straight - - - 1-7/16 in - 18 - 25.78mm - - 97
RS Stock No. 873-1875
Mfr. Part No.97-3057-1016-1(621)
SGD28.96
Each
units
Jacketed Cable, Wires Protected by Tubing 24, 28 Straight - - - 1-7/16 in - 18 - - - - 97
RS Stock No. 873-1844
Mfr. Part No.97-3057-1012
SGD12.10
Each
units
Jacketed Cable, Wires Protected by Tubing 20, 22 Straight - - - 1-3/16 in - 18 - 23.55mm - - 97
RS Stock No. 198-7528
Mfr. Part No.BK4SRN12079SN
SGD52.03
Each
units
38999 III 12 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 709-3481
Mfr. Part No.TM118GA-M20
BrandToughcon
SGD26.22
Each
units
- - - - - - - - 42mm - - -
New
RS Stock No. 206-7511
Mfr. Part No.M85049/38-09A
SGD16.35
Each
units
38999 III 9 Straight - Aluminium Alloy - - - - - Yes MIL
RS Stock No. 873-1982
Mfr. Part No.97-3057-6
SGD14.26
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 27.38mm - - 97
RS Stock No. 873-1929
Mfr. Part No.97-3057-12-6
SGD16.85
Each
units
Jacketed Cable, Wires Protected by Tubing 20, 22 Straight - - - 1-3/16 in - 18 - 30.15mm - - 97
RS Stock No. 709-3756
Mfr. Part No.TT178SR-70
BrandToughcon
SGD10.87
Each
units
- - - - - - - - 41.9mm - - -
RS Stock No. 198-7523
Mfr. Part No.BK4SRN10059SN
SGD50.83
Each
units
38999 III 10 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 263-0221
BrandPMA
SGD14.09
Each
units
QM Range Connector 20 - Female Nylon - UNEF 1-3/16-18 - - 28 - BFI
RS Stock No. 873-1834
Mfr. Part No.97-3057-1010(621)
SGD10.78
Each
units
Jacketed Cable, Wires Protected by Tubing 18 Straight - - - 1 in - 20 - 23.37mm - - 97
RS Stock No. 873-1862
Mfr. Part No.97-3057-1016(621)
SGD9.91
Each
units
Jacketed Cable, Wires Protected by Tubing 24, 28 Straight - - - 1-7/16 in - 18 - 25.78mm - - 97