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
$12.48
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
$56.63
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. 689-8840
Mfr. Part No.BK4SRL22159XY
BrandAmphenol
$52.30
Each
units
MIL-C 38999 Connector 23 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 689-8844
Mfr. Part No.BK4SRL24169XY
BrandAmphenol
$87.10
Each
units
MIL-C 38999 Connector 25 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 689-8780
Mfr. Part No.BS1ARL08999XY
BrandAmphenol
$40.28
Each
units
Group L Connector 8 Right Angle - Aluminium - - - 33.27mm - Yes BS1
RS Stock No. 689-8847
Mfr. Part No.BK4SRL20139XY
BrandAmphenol
$62.60
Each
units
MIL-C 38999 Connector 21 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
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. 873-1825
Mfr. Part No.97-3057-1008
BrandAmphenol
$10.26
Each
units
Jacketed Cable, Wires Protected by Tubing 16, 16S Straight - - - 7/8 in - 20 - 23.37mm - - 97
RS Stock No. 691-6759
Mfr. Part No.1330 2 PES2
BrandAmphenol
$94.36
Each
units
- 2 Straight - Aluminium Alloy - - IP67 42mm - - ECTA 133
RS Stock No. 690-4024
Mfr. Part No.C016 G11 060 E10 V
BrandAmphenol
$10.274
Each (In a Pack of 5)
units
- - - - - - - - - - Yes Eco-Mate
RS Stock No. 873-1932
Mfr. Part No.97-3057-16
BrandAmphenol
$13.43
Each
units
Jacketed Cable, Wires Protected by Tubing 24, 28 Straight - - - 1-7/16 in - 18 - 33.32mm - - 97
RS Stock No. 873-1847
Mfr. Part No.97-3057-1010-1(621)
BrandAmphenol
$11.61
Each
units
Jacketed Cable, Wires Protected by Tubing 18 Straight - - - 1 in - 20 - - - - 97
RS Stock No. 691-6724
Mfr. Part No.1330 3 P1
BrandAmphenol
$97.86
Each
units
- 3 Straight - Aluminium Alloy - - IP67 13mm - - ECTA 133
RS Stock No. 873-1985
Mfr. Part No.97-3057-6(621)
BrandAmphenol
$17.39
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 27.38mm - - 97
RS Stock No. 178-7360
Mfr. Part No.47380
BrandAmphenol
$50.60
Each
units
SL1 series 40 Straight Male to Female - - - IP55 78.8 mm, 86.5 mm - - -
RS Stock No. 873-1875
Mfr. Part No.97-3057-1016-1(621)
BrandAmphenol
$22.30
Each
units
Jacketed Cable, Wires Protected by Tubing 24, 28 Straight - - - 1-7/16 in - 18 - - - - 97
RS Stock No. 691-6734
Mfr. Part No.1330 1 PES2
BrandAmphenol
$89.36
Each
units
- 1 Straight - Aluminium Alloy - - IP67 42mm - - ECTA 133
RS Stock No. 689-8831
Mfr. Part No.BK4SRL14099XY
BrandAmphenol
$68.00
Each
units
MIL-C 38999 Connector 15 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 689-8774
Mfr. Part No.BS1SRL10999XY
BrandAmphenol
$21.78
Each
units
Group L Connector 10 Straight - Aluminium - - - 30.73mm - Yes BS1