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. 510-8402
Mfr. Part No.91SH1-15-08-1-ZB
BrandPolamco
£28.72
Each
Units
MIL-D 38999 Professional Threaded Connector 15 Straight - Aluminium Alloy 3 M22 x 1 - 30mm - - 91
RS Stock No. 425-648
Mfr. Part No.2428-010-2405
BrandDeutsch
£4.20
Each
Units
HDP20 Series 24 Straight - Thermoplastic - - IP67 - - Yes L017
RS Stock No. 265-9783
Mfr. Part No.192993-0082
BrandITT Cannon
R 50.356
Each
Units
Unsealed plugs and Receptables 12 Straight Male Aluminium - - IP67 88.5mm 8 - -
RS Stock No. 764-2008
Mfr. Part No.8DABE2AF11W
BrandSouriau
£113.96
Each
Units
EN3645 ELIO Connectors, MIL-DTL-38999 Series III 11 Straight - Aluminium - M15 x 1 - 43mm - - 8DABE
RS Stock No. 510-0981
Mfr. Part No.UT014AC
BrandSouriau
£16.00
Each
Units
UTO Series High Density Shielded Connector 14 Straight Female Metal - - IP67, IP68, IP69K 34mm - Yes UTO
RS Stock No. 689-8765
Mfr. Part No.BS1SRL08999XY
BrandAmphenol
£14.17
Each
Units
Group L Connector 9 Straight - Aluminium - - - 30.73mm - Yes BS1
RS Stock No. 265-9799
Mfr. Part No.192993-0083
BrandITT Cannon
£17.494
Each
Units
Unsealed plugs and Receptables 14 Straight Male Aluminium - - IP67 88.5mm 12 - Trident TNM
RS Stock No. 265-9806
Mfr. Part No.192993-0084
BrandITT Cannon
R 8.499
Each
Units
- - - - - - - - 88.5mm - - -
RS Stock No. 233-2646
Mfr. Part No.UTG14PG
BrandSouriau
£6.90
Each
Units
- - - - - - - - 62mm - - -
RS Stock No. 873-1850
Mfr. Part No.97-3057-1012-1(621)
BrandAmphenol
R 40.83
Each
Units
Jacketed Cable, Wires Protected by Tubing 20, 22 Straight - - - 1-3/16 in - 18 - - - - 97
RS Stock No. 823-6285
Mfr. Part No.AIA-5003-09-00-00-10-AA-10
BrandAmphenol
£73.16
Each
Units
MIL-DTL-38999 Black Zinc Connectors 9 Straight - Aluminium Alloy - M12 x 1 - 1.431in - - 5003
RS Stock No. 510-1029
Mfr. Part No.UT0S12JCS
BrandSouriau
£64.86
Each
Units
- - - - - - - - 74.5mm - - -
RS Stock No. 767-6590
Mfr. Part No.ABBP28LBN
£64.03
Each
Units
ABCIRP Series 28 Straight Female Aluminium Alloy - UNEF 1-5/8 x 18 IP67 24.65mm 37 - ABCIRP
RS Stock No. 823-6288
Mfr. Part No.AIA-5003-11-00-00-10-AA-10
BrandAmphenol
R 21.594
Each
Units
MIL-DTL-38999 Black Zinc Connectors 11 Straight - Aluminium Alloy - M15 x 1 - 1.431in - - 5003
RS Stock No. 689-8844
Mfr. Part No.BK4SRL24169XY
BrandAmphenol
£195.617
Each
Units
MIL-C 38999 Connector 25 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 716-0272
Mfr. Part No.TVNSA11014
BrandAmphenol
£98.01
Each
Units
- - - - - - - - 35.6mm - - TV
RS Stock No. 912-0651
Mfr. Part No.UTG16ST
BrandSouriau
£116.93
Each
Units
UTG Series Connector, UTP Series Connector 16 Straight - Plastic - - IP65 72mm - Yes UTG
RS Stock No. 241-1452
Mfr. Part No.91L1-14-07-1-ZB
BrandPolamco
£34.71
Each
Units
MIL-DTL-5015 Connector 14 Straight - Aluminium Alloy 1 UNEF 3/4-20 - 30mm - - 91
RS Stock No. 425-838
Mfr. Part No.2428-011-2405
BrandDeutsch
£4.83
Each
Units
HDP20 Series 24 Right Angle - Thermoplastic - - IP67 - - Yes L017
RS Stock No. 873-1636
Mfr. Part No.97-282-28-16
BrandAmphenol
£18.801
Each (In a Pack of 36)
Units
97 Series Standard Cylindrical Connector 28 - - Aluminium Alloy - - - - 20 - 97
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