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
RS Stock No. 827-8923
Mfr. Part No.JR13WCC-8(72)
BrandHirose
£9.71
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. 689-8828
Mfr. Part No.BK4SRL10059XY
BrandAmphenol
£37.72
Each
Units
MIL-C 38999 Connector 11 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 689-8831
Mfr. Part No.BK4SRL14099XY
BrandAmphenol
£37.37
Each
Units
MIL-C 38999 Connector 15 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 273-5499
Mfr. Part No.192900-0187/TNA16CA01-20L
BrandITT Cannon
£3.23
Each
Units
- - - - - - - - 35mm - - -
RS Stock No. 241-1339
Mfr. Part No.91D1-16-10-1-ZB
BrandPolamco
£33.02
Each
Units
MIL-DTL-26482 Series I, PATT 105, PATT 603 16 Straight - Aluminium Alloy 2 UNEF 15/16-20 - 34mm - - 91
RS Stock No. 687-6575
Mfr. Part No.UTG18PG
BrandSouriau
£9.28
Each
Units
- - - - - - - - 71mm - - -
RS Stock No. 167-9758
Mfr. Part No.192900-0498/TNA24CCHC-00L
BrandITT Cannon
£7.95
Each
Units
- - - - - - - - 128.5mm - - -
RS Stock No. 241-1468
Mfr. Part No.91L1-18-11-1-ZB
BrandPolamco
£24.85
Each
Units
MIL-DTL-5015 Connector 18 Straight - Aluminium Alloy 2 UNEF 1-20 - 30mm - - 91
RS Stock No. 175-3929
Mfr. Part No.CL102021
BrandSouriau
£7.95
Each
Units
- - - - - - - - - - - -
RS Stock No. 689-8847
Mfr. Part No.BK4SRL20139XY
BrandAmphenol
£36.21
Each
Units
MIL-C 38999 Connector 21 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 715-9935
Mfr. Part No.LJTNSA15014
BrandAmphenol
£20.79
Each
Units
LJT Series, RNJ Series, SJT Series 15 Straight - - - UNEF-2B 0.8125-20 - 31.79mm - - LJT
RS Stock No. 233-2630
Mfr. Part No.UTG12PG
BrandSouriau
£5.33
Each
Units
- - - - - - - - 57mm - - -
RS Stock No. 241-1474
Mfr. Part No.91L1-22-15-1-ZB
BrandPolamco
£41.82
Each
Units
MIL-DTL-5015 Connector 22 Straight - Aluminium Alloy 2 UNEF 1-1/4-18 - 30mm - - 91
RS Stock No. 557-935
Mfr. Part No.UT0S10JCSL
BrandSouriau
£10.74
Each
Units
- - - - - - - - 71.5mm - - -
RS Stock No. 241-1345
Mfr. Part No.91D1-18-12-1-ZB
BrandPolamco
£30.36
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. 510-1057
Mfr. Part No.UT0S16JCS
BrandSouriau
£15.57
Each
Units
- - - - - - - - 83.5mm - - -
RS Stock No. 752-5688
Mfr. Part No.058-8578-100/ENDGEH.APD WELLSCHLAUCH D=8,5
BrandITT Cannon
£1.55
Each
Units
APD Series - Straight - PBT - - IP67, IP69K 35.8mm - - 058
RS Stock No. 760-0569
Mfr. Part No.ABAC0703W09
£16.18
Each
Units
MIL-DTL-38999 Connector Series III 09 Right Angle - Aluminium - - IP67 32.79mm - - ABAC
RS Stock No. 823-6282
Mfr. Part No.AIA-5003-13-00-00-10-AA-10
BrandAmphenol
£40.88
Each
Units
MIL-DTL-38999 Black Zinc Connectors 13 Straight - Aluminium Alloy - M18 x 1 - 1.431in - - 5003
RS Stock No. 873-1803
Mfr. Part No.97-3057-1004-1(676)
BrandAmphenol
£7.23
Each (In a Pack of 50)
Units
Jacketed Cable, Wires Protected by Tubing 10SL, 12S Straight - - - 5/8 in - 24 - - - - 97
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