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. 263-0221
BrandPMA
$14.35
Each
units
QM Range Connector 20 - Female Nylon - UNEF 1-3/16-18 - - 28 - BFI
RS Stock No. 873-1761
Mfr. Part No.97-3055-22-12
BrandAmphenol
$13.09
Each
units
97 Series Standard Cylindrical Connector 20, 22 Straight Male - - 1-3/16 in - 18 - 22.23mm 1 - 97
RS Stock No. 709-9735
Mfr. Part No.207490-1
$9.22
Each
units
- - - - - - - - - - - -
RS Stock No. 163-8735
Mfr. Part No.8-1437723-2
$31.719
Each (In a Box of 20)
units
- 23 Straight - Plastic - PG 21 - 43mm - - -
RS Stock No. 767-6597
Mfr. Part No.ABBP24LBN
$29.75
Each
units
ABCIRP Series 24 Straight Female Aluminium Alloy - UNEF 1-3/8 x 18 IP67 24.65mm 7 - ABCIRP
RS Stock No. 689-8765
Mfr. Part No.BS1SRL08999XY
BrandAmphenol
$29.62
Each
units
Group L Connector 9 Straight - Aluminium - - - 30.73mm - Yes BS1
RS Stock No. 715-9929
Mfr. Part No.LJTNSA09014
BrandAmphenol
$42.33
Each
units
LJT Series, RNJ Series, SJT Series 9 Straight - - - UNEF-2B 0.4375-28 - 31.79mm - - LJT
RS Stock No. 912-0642
Mfr. Part No.UT0S14JCSL
BrandSouriau
$35.16
Each
units
UT0 Series Connectors 14 Straight - Zinc Alloy - 13/16 in - 20 IP68 66.5mm - Yes UT0
RS Stock No. 873-1806
Mfr. Part No.97-3057-1007
BrandAmphenol
$11.79
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 21.59mm - - 97
RS Stock No. 263-0186
BrandPMA
$14.28
Each
units
QM Range Connector 16 - Female Nylon - UNEF 13/16-20 - - 12 - BFI
RS Stock No. 912-0756
Mfr. Part No.UT0S20JCS
BrandSouriau
$44.23
Each
units
UT0-UT0W Series Circular Connector 20 Straight - Zinc Alloy - 1-3/16 in - 18 IP68 84.5mm - Yes UT0
RS Stock No. 764-2008
Mfr. Part No.8DABE2AF11W
BrandSouriau
$331.08
Each
units
EN3645 ELIO Connectors, MIL-DTL-38999 Series III 11 Straight - Aluminium - M15 x 1 - 43mm - - 8DABE
RS Stock No. 241-1468
Mfr. Part No.91L1-18-11-1-ZB
BrandPolamco
$51.44
Each
units
MIL-DTL-5015 Connector 18 Straight - Aluminium Alloy 2 UNEF 1-20 - 30mm - - 91
RS Stock No. 716-0272
Mfr. Part No.TVNSA11014
BrandAmphenol
$123.85
Each
units
- - - - - - - - 35.6mm - - TV
RS Stock No. 241-1474
Mfr. Part No.91L1-22-15-1-ZB
BrandPolamco
$86.57
Each
units
MIL-DTL-5015 Connector 22 Straight - Aluminium Alloy 2 UNEF 1-1/4-18 - 30mm - - 91
RS Stock No. 163-8730
Mfr. Part No.4-1437723-7
$15.419
Each (In a Box of 25)
units
- 17 Straight - Plastic - - - 43mm - - -
RS Stock No. 823-6288
Mfr. Part No.AIA-5003-11-00-00-10-AA-10
BrandAmphenol
$45.83
Each
units
MIL-DTL-38999 Black Zinc Connectors 11 Straight - Aluminium Alloy - M15 x 1 - 1.431in - - 5003
RS Stock No. 220-7067
Mfr. Part No.UTG 16AC
BrandSouriau
$10.66
Each
units
- - - - - - - - 46mm - - -
RS Stock No. 873-1976
Mfr. Part No.97-3057-4
BrandAmphenol
$16.27
Each
units
Jacketed Cable, Wires Protected by Tubing 10SL, 12S Straight - - - 5/8 in - 24 - 25.4mm - - 97
RS Stock No. 691-6724
Mfr. Part No.1330 3 P1
BrandAmphenol
$94.37
Each
units
- 3 Straight - Aluminium Alloy - - IP67 13mm - - ECTA 133
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