Circular Connector Backshells

Circular connector backshells are components of a wiring system that attach to the cable side of a circular connectorin 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 cablesand 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 Priced to Clear
RS Stock No. 689-8838
Mfr. Part No.BK4SRL18129XY
BrandAmphenol
£31.03
Each
Units
MIL-C 38999 Connector 19 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4 -
RS Stock No. 760-0528
Mfr. Part No.ABAC1007W13
£24.46
Each
Units
MIL-DTL-38999 Connector Series III 13 Straight - Aluminium - - IP67 28.58mm - - ABAC -
RS Stock No. 715-9926
Mfr. Part No.LJTNSA13014
BrandAmphenol
£20.38
Each
Units
LJT Series, RNJ Series, SJT Series 13 Straight - - - UNEF-2B 0.6875-24 - 31.79mm - - LJT -
RS Stock No. 178-7348
Mfr. Part No.47378
BrandAmphenol
£29.49
Each
Units
SL1 Series 20 Straight Male to Female - - - IP55 59.8 mm, 66.5 mm - - SL 61 -
RS Stock No. 689-8774
Mfr. Part No.BS1SRL10999XY
BrandAmphenol
£17.88
Each
Units
Group L Connector 10 Straight - Aluminium - - - 30.73mm - Yes BS1 -
RS Stock No. 446-8545
Mfr. Part No.192900-0286/TNA14CCSR-00L
BrandITT Cannon
£4.87
Each
Units
Neptune Circular Connector, TNM Circular Connector 14 Straight - Polymer - - - 67.1 mm, 80.5 mm - Yes TNA -
RS Stock No. 349-8775
Mfr. Part No.192993-0094/TNA16CCSE-01L
BrandITT Cannon
£27.22
Each
Units
- - - - - - - - 82.5mm - - - -
RS Stock No. 760-0584
Mfr. Part No.ABAC0707W13
£20.21
Each
Units
MIL-DTL-38999 Connector Series III 13 Right Angle - Aluminium - - IP67 36.76mm - - ABAC -
RS Stock No. 873-1806
Mfr. Part No.97-3057-1007
BrandAmphenol
£5.00
Each
Units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 21.59mm - - 97 -
RS Stock No. 760-0519
Mfr. Part No.ABAC1007W11
£23.59
Each
Units
MIL-DTL-38999 Connector Series III 11 Straight - Aluminium - - IP67 28.58mm - - ABAC -
RS Stock No. 175-3935
Mfr. Part No.CL103021
BrandSouriau
£7.16
Each
Units
- - - - - - - - - - - - -
RS Stock No. 446-8236
Mfr. Part No.192900-0343/TNA16CCSR-00L
BrandITT Cannon
£5.57
Each
Units
- - - - - - - - 67.1mm - - - -
RS Stock No. 709-3747
Mfr. Part No.TT178SR-45
BrandToughcon
£4.83
Each
Units
- - - - - - - - 35.6mm - - - -
RS Stock No. 175-4534
Mfr. Part No.84040008
BrandSouriau
£61.67
Each
Units
840 Series 4 Angled, Straight - Plastic - - IP65 43.5 mm, 55 mm - - 840 -
RS Stock No. 241-1351
Mfr. Part No.91D1-20-14-1-ZB
BrandPolamco
£25.40
Each
Units
MIL-DTL-26482 Series I, PATT 105, PATT 603 20 Straight - Aluminium Alloy 3 UNEF 1-3/16-18 - 34mm - - 91 -
RS Stock No. 273-5483
Mfr. Part No.192900-0185/TNA24CA01-25L
BrandITT Cannon
£4.03
Each
Units
- - - - - - - - 39mm - - - -
RS Stock No. 760-0521
Mfr. Part No.ABAC1009W13
£24.46
Each
Units
MIL-DTL-38999 Connector Series III 13 Straight - Aluminium - - IP67 33.88mm - - ABAC -
RS Stock No. 709-9710
Mfr. Part No.207055-1
£4.83
Each
Units
- - - - - - - - 36.83mm - - - -
RS Stock No. 709-3753
Mfr. Part No.TT238SR-70
BrandToughcon
£8.20
Each
Units
- - - - - - - - 39.4mm - - - -
RS Stock No. 510-1013
Mfr. Part No.UT0S10JCS
BrandSouriau
£10.27
Each
Units
- - - - - - - - 70.5mm - - - -
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