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. 233-2646
Mfr. Part No.UTG14PG
R 184.85
Each
units
- - - - - - - - 62mm - - -
RS stock no. 241-1345
Mfr. Part No.91D1-18-12-1-ZB
BrandPolamco
R 677.16
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. 220-7039
Mfr. Part No.UTG10AC
R 81.02
Each
units
- - - - - - - - 40mm - - -
RS stock no. 104-503
Mfr. Part No.91D1-12-06-1-ZB
BrandPolamco
R 714.17
Each
units
AB05 Series, MIL-C 26482 Connector, 62 GB Series 12 Straight - Metal 1 UNEF 11/16-24 - - - - 1
RS stock no. 220-7067
Mfr. Part No.UTG16AC
R 101.50
Each
units
- - - - - - - - 46mm - - -
RS stock no. 220-7045
Mfr. Part No.UTG12AC
R 74.75
Each
units
- - - - - - - - 40mm - - -
RS stock no. 190-3915
Mfr. Part No.2428-011-2405
BrandDeutsch
R 38.807
Each (In a Box of 100)
units
HDP20 Series 24 Right Angle - Thermoplastic - - IP67 - - Yes L017
RS stock no. 689-8828
Mfr. Part No.BK4SRL10059XY
R 771.70
Each
units
MIL-C 38999 Connector 11 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS stock no. 425-838
Mfr. Part No.2428-011-2405
BrandDeutsch
R 54.74
Each
units
HDP20 Series 24 Right Angle - Thermoplastic - - IP67 - - Yes L017
RS stock no. 912-0759
Mfr. Part No.UT0S16JCSL
R 367.17
Each
units
UT0-UT0W Series Circular Connector 16 Straight - Zinc Alloy - 15/16 in - 20 IP68 82.5mm - Yes UT0
RS stock no. 689-8907
Mfr. Part No.BS1ARN14999XY
R 313.05
Each
units
Group N Connector 14 Right Angle - Aluminium - - - 41.4mm - Yes BS1
RS stock no. 241-1430
Mfr. Part No.91L1-12-05-1-ZB
BrandPolamco
R 513.43
Each
units
MIL-DTL-5015 Connector 12 Straight - Aluminium Alloy 1 UNEF 5/8-24 - 30mm - - 91
RS stock no. 241-1323
Mfr. Part No.91D1-14-08-1-ZB
BrandPolamco
R 980.73
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 14 Straight - Aluminium Alloy 2 UNEF 13/16-20 - 34mm - - 91
RS stock no. 912-0721
Mfr. Part No.UT020AC
R 341.94
Each
units
UT0-UT0W Series Circular Connector 20 Straight - Zinc Alloy - 1-3/16 in - 18 - 32mm - Yes UT0
RS stock no. 716-0272
Mfr. Part No.TVNSA11014
R 3,785.07
Each
units
- - - - - - - - 35.6mm - - TV
RS stock no. 233-2652
Mfr. Part No.UTG16PG
R 162.53
Each
units
- - - - - - - - 68mm - - -
RS stock no. 241-1480
Mfr. Part No.91L1-24-16-1-ZB
BrandPolamco
R 748.45
Each
units
MIL-DTL-5015 Connector 24 Straight - Aluminium Alloy 3 UNEF 1-3/8-18 - 30mm - - 91
RS stock no. 233-2624
Mfr. Part No.UTG10PG
R 123.28
Each
units
- - - - - - - - 54mm - - -
RS stock no. 827-8923
Mfr. Part No.JR13WCC-8(72)
BrandHirose
R 226.52
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. 689-8822
Mfr. Part No.BK4SRL12079XY
R 716.69
Each
units
MIL-C 38999 Connector 13 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4