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. 873-1812
Mfr. Part No.97-3057-1007-1(621)
BrandAmphenol
$13.72
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - - - - 97
RS Stock No. 689-8828
Mfr. Part No.BK4SRL10059XY
BrandAmphenol
$54.97
Each
units
MIL-C 38999 Connector 11 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 503-669
Mfr. Part No.C016G11043E10V
BrandAmphenol
$30.69
1 Bag of 5
Bag(s)
- - Straight - Polymer 1 - - - - Yes Eco-Mate
RS Stock No. 691-6737
Mfr. Part No.1330 1 PES1
BrandAmphenol
$89.36
Each
units
- 1 Straight - Aluminium Alloy - - IP67 42mm - - ECTA 133
RS Stock No. 689-8941
Mfr. Part No.BK4SRN14099XY
BrandAmphenol
$69.28
Each
units
MIL-C 26482 Connector 14 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 823-6291
Mfr. Part No.AIA-5003-15-00-00-10-AA-10
BrandAmphenol
$63.18
Each
units
MIL-DTL-38999 Black Zinc Connectors 15 Straight - Aluminium Alloy - M22 x 1 - 1.431in - - 5003
RS Stock No. 873-1806
Mfr. Part No.97-3057-1007
BrandAmphenol
$10.99
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 21.59mm - - 97
RS Stock No. 873-1831
Mfr. Part No.97-3057-1010
BrandAmphenol
$10.19
Each
units
Jacketed Cable, Wires Protected by Tubing 18 Straight - - - 1 in - 20 - 23.37mm - - 97
RS Stock No. 689-8945
Mfr. Part No.BK4SRN16109XY
BrandAmphenol
$60.95
Each
units
MIL-C 26482 Connector 16 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 691-6702
Mfr. Part No.1330 1 P2
BrandAmphenol
$54.06
Each
units
- 1 Straight - Aluminium Alloy - - IP67 13mm - - ECTA 133
RS Stock No. 873-1929
Mfr. Part No.97-3057-12-6
BrandAmphenol
$17.04
Each
units
Jacketed Cable, Wires Protected by Tubing 20, 22 Straight - - - 1-3/16 in - 18 - 30.15mm - - 97
RS Stock No. 873-1844
Mfr. Part No.97-3057-1012
BrandAmphenol
$12.22
Each
units
Jacketed Cable, Wires Protected by Tubing 20, 22 Straight - - - 1-3/16 in - 18 - 23.55mm - - 97
RS Stock No. 178-7411
Mfr. Part No.47384
BrandAmphenol
$70.63
Each
units
SL1 series 40 Right Angle Male to Female - - - IP55 68.8 mm, 76.5 mm - - -
RS Stock No. 689-8787
Mfr. Part No.BS1ARL12999XY
BrandAmphenol
$28.84
Each
units
Group L Connector 12 Right Angle - Aluminium - - - 38.35mm - Yes BS1
RS Stock No. 690-4012
Mfr. Part No.C016 G11 048 E10 V
BrandAmphenol
$10.782
Each (In a Pack of 5)
units
- - - - - - - - - - Yes Eco-Mate
RS Stock No. 689-8774
Mfr. Part No.BS1SRL10999XY
BrandAmphenol
$21.35
Each
units
Group L Connector 10 Straight - Aluminium - - - 30.73mm - Yes BS1
RS Stock No. 873-1727
Mfr. Part No.97-3055-121-22002
BrandAmphenol
$53.67
Each
units
97 Series Standard Cylindrical Connector 20, 22 Straight Male - - 1-3/16 in - 18 (C Thread), NPT 1/2 in (M Thread) - 22.23mm 1 - 97
RS Stock No. 178-7332
Mfr. Part No.47377
BrandAmphenol
$36.29
Each
units
SL1 Series 10 Straight Male to Female - - - IP55 52.9 mm, 61.9 mm - - SL 61
RS Stock No. 178-7398
Mfr. Part No.47382
BrandAmphenol
$43.21
Each
units
SL1 Series 20 Right Angle Male to Female - - - IP55 48.8 mm, 55.5 mm - - SL 61
RS Stock No. 873-1834
Mfr. Part No.97-3057-1010(621)
BrandAmphenol
$11.39
Each
units
Jacketed Cable, Wires Protected by Tubing 18 Straight - - - 1 in - 20 - 23.37mm - - 97