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. 233-2630
Mfr. Part No.UTG12PG
SGD15.70
Each
units
- - - - - - - - 57mm - - -
RS Stock No. 510-8367
Mfr. Part No.91SH1-09-04-1-ZB
BrandPolamco
SGD67.22
Each
units
MIL-D 38999 Professional Threaded Connector 9 Straight - Aluminium Alloy 4 M12 x 1 - 30mm - - 91
RS Stock No. 873-1913
Mfr. Part No.97-3057-12
SGD17.05
Each
units
Jacketed Cable, Wires Protected by Tubing 20, 22 Straight - - - 1-3/16 in - 18 - 30.15mm - - 97
RS Stock No. 873-1825
Mfr. Part No.97-3057-1008
SGD14.81
Each
units
Jacketed Cable, Wires Protected by Tubing 16, 16S Straight - - - 7/8 in - 20 - 23.37mm - - 97
RS Stock No. 764-1998
Mfr. Part No.8DABE2AF19F
SGD354.23
Each
units
EN3645 ELIO Connectors, MIL-DTL-38999 Series III 19 Straight - Aluminium - M28 x 1 - 43mm - - 8DABE
RS Stock No. 349-8753
Mfr. Part No.192993-0092
BrandITT Cannon
SGD41.90
Each
units
- - - - - - - - 72mm - - -
RS Stock No. 175-3913
Mfr. Part No.CL101021
SGD18.02
Each
units
- - - - - - - - - - - -
RS Stock No. 827-8923
Mfr. Part No.JR13WCC-8(72)
BrandHirose
SGD20.54
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. 764-1982
Mfr. Part No.8DABE2AF09F
SGD415.34
Each
units
EN3645 ELIO Connectors, MIL-DTL-38999 Series III 09 Straight - Aluminium - M12 x 1 - 43mm - - 8DABE
RS Stock No. 715-9929
Mfr. Part No.LJTNSA09014
SGD67.44
Each
units
LJT Series, RNJ Series, SJT Series 9 Straight - - - UNEF-2B 0.4375-28 - 31.79mm - - LJT
RS Stock No. 241-1480
Mfr. Part No.91L1-24-16-1-ZB
BrandPolamco
SGD79.40
Each
units
MIL-DTL-5015 Connector 24 Straight - Aluminium Alloy 3 UNEF 1-3/8-18 - 30mm - - 91
RS Stock No. 510-8418
Mfr. Part No.AIA-5003-09-00-90-10-AA-04
SGD103.69
Each
units
Mil-C-38999 Series III - Right Angle - Aluminium Alloy - M12 - 32.39mm - No -
RS Stock No. 689-8834
Mfr. Part No.BK4SRL16109XY
SGD56.92
Each
units
MIL-C 38999 Connector 17 Straight Male Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 823-6282
Mfr. Part No.AIA-5003-13-00-00-10-AA-10
SGD66.35
Each
units
MIL-DTL-38999 Black Zinc Connectors 13 Straight - Aluminium Alloy - M18 x 1 - 1.431in - - 5003
RS Stock No. 689-8825
Mfr. Part No.BK4SRL08049XY
SGD72.36
Each
units
MIL-C 38999 Connector 9 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 241-1430
Mfr. Part No.91L1-12-05-1-ZB
BrandPolamco
SGD48.27
Each
units
MIL-DTL-5015 Connector 12 Straight - Aluminium Alloy 1 UNEF 5/8-24 - 30mm - - 91
RS Stock No. 531-548
Mfr. Part No.PX0801
BrandBulgin
SGD5.65
Each
units
- - - - - - - - 61.5mm - - -
RS Stock No. 716-0272
Mfr. Part No.TVNSA11014
SGD127.77
Each
units
- - - - - - - - 35.6mm - - TV
RS Stock No. 689-8945
Mfr. Part No.BK4SRN16109XY
SGD70.43
Each
units
MIL-C 26482 Connector 16 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 220-7051
Mfr. Part No.UTG14AC
SGD10.32
Each
units
- - - - - - - - 46mm - - -