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. 241-1430
Mfr. Part No.91L1-12-05-1-ZB
BrandPolamco
$52.06
Each
units
MIL-DTL-5015 Connector 12 Straight - Aluminium Alloy 1 UNEF 5/8-24 - 30mm - - 91
RS Stock No. 220-7051
Mfr. Part No.UTG14AC
$12.08
Each
units
- - - - - - - - 46mm - - -
RS Stock No. 709-9710
Mfr. Part No.207055-1
$11.60
Each
units
- - - - - - - - 36.83mm - - -
RS Stock No. 873-1796
Mfr. Part No.97-3057-1004
$13.23
Each
units
Jacketed Cable, Wires Protected by Tubing 10SL, 12S Straight - - - 5/8 in - 24 - 20.19mm - - 97
RS Stock No. 190-2526
Mfr. Part No.97-3057-1004
$9.964
Each (In a Bag of 75)
units
Jacketed Cable, Wires Protected by Tubing 10SL, 12S Straight - - - 5/8 in - 24 - 20.19mm - - 97
RS Stock No. 510-1063
Mfr. Part No.UT0S18JCS
$42.93
Each
units
- - - - - - - - 86mm - - -
RS Stock No. 510-0981
Mfr. Part No.UT014AC
$31.74
Each
units
UTO Series High Density Shielded Connector 14 Straight Female Metal - - IP67, IP68, IP69K 34mm - Yes UTO
RS Stock No. 241-1294
Mfr. Part No.91D1-08-04-1-ZB
BrandPolamco
$103.89
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 8 Straight - Aluminium Alloy 1 UNEF 7/16-28 - 34mm - - 91
RS Stock No. 827-8923
Mfr. Part No.JR13WCC-8(72)
BrandHirose
$23.43
Each
units
RM-W Series Waterproof Connector 13 Straight - Aluminium Alloy, Brass, Zinc Alloy - M16 x 0.75 IP67 17mm - Yes JR-W
RS Stock No. 474-596
Mfr. Part No.192991-0514
BrandITT Cannon
$51.90
Each
units
QM Range Connector - - Female Nylon - - - 73.5mm 7 - 192
RS Stock No. 241-1301
Mfr. Part No.91D1-10-05-1-ZB
BrandPolamco
$79.96
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 10 Straight - Aluminium Alloy 1 UNEF 9/16-24 - 34mm - - 91
RS Stock No. 912-0639
Mfr. Part No.UT014JCSL
$31.23
Each
units
UT0-UT0W Series Circular Connector 14 Straight - Zinc Alloy - 13/16 in - 20 IP68 54.5mm - Yes UT0
RS Stock No. 425-838
Mfr. Part No.2428-011-2405
BrandDeutsch
$10.42
Each
units
HDP20 Series 24 Right Angle - Thermoplastic - - IP67 - - Yes L017
RS Stock No. 912-0651
Mfr. Part No.UTG16ST
$20.96
Each
units
UTG Series Connector, UTP Series Connector 16 Straight - Plastic - - IP65 72mm - Yes UTG
RS Stock No. 425-648
Mfr. Part No.2428-010-2405
BrandDeutsch
$8.71
Each
units
HDP20 Series 24 Straight - Thermoplastic - - IP67 - - Yes L017
RS Stock No. 175-4506
Mfr. Part No.84010008
$80.58
Each
units
840 Series 1 Angled, Straight - Plastic - - IP65 26 mm, 33.5 mm - - 840
RS Stock No. 873-1822
Mfr. Part No.97-3057-1008-1(621)
$26.20
Each
units
Jacketed Cable, Wires Protected by Tubing 16, 16S Straight - - - 7/8 in - 20 - - - - 97
RS Stock No. 873-1759
Mfr. Part No.97-3055-18-8
$27.94
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. 873-1800
Mfr. Part No.97-3057-1007(621)
$20.54
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 21.59mm - - 97
RS Stock No. 104-503
Mfr. Part No.91D1-12-06-1-ZB
BrandPolamco
$149.01
Each
units
62 GB Series, AB05 Series, MIL-C 26482 Connector 12 Straight - Metal 1 UNEF 11/16-24 - - - - 1