Circular Connector Backshells

Circular connector backshells are components of a wiring system that attach to the cable side of a circular connector in 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 cables and 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. 175-4540
Mfr. Part No.840200011
TWD5,976.00
Each
units
840 Series 2 Straight - Metal - - IP65 39mm - - 840
RS Stock No. 873-1718
Mfr. Part No.97-3055-120-22002
TWD1,986.00
Each
units
97 Series Standard Cylindrical Connector 20, 22 Straight Male - - NPT 1/2 in (M Thread), 1-3/16 in - 18 (C Thread) - 22.23mm 1 - 97
RS Stock No. 823-6282
Mfr. Part No.AIA-5003-13-00-00-10-AA-10
TWD1,542.00
Each
units
MIL-DTL-38999 Black Zinc Connectors 13 Straight - Aluminium Alloy - M18 x 1 - 1.431in - - 5003
New
RS Stock No. 206-7563
Mfr. Part No.M85049/69-15A
TWD392.00
Each
units
38999 III 15 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 873-1878
Mfr. Part No.97-3057-1020
TWD341.00
Each
units
Jacketed Cable, Wires Protected by Tubing 32 Straight - - - 1-3/4 in - 18 - 27.81mm - - 97
RS Stock No. 195-0927
Mfr. Part No.AHDMBS-18-002
TWD288.00
Each
units
AHDM Series Connectors 18 - - Aluminium Alloy - M32 x 1.5 6H - 82mm - - Duramate AHDM
RS Stock No. 190-2526
Mfr. Part No.97-3057-1004
TWD188.60
Each (In a Bag of 75)
units
Jacketed Cable, Wires Protected by Tubing 10SL, 12S Straight - - - 5/8 in - 24 - 20.19mm - - 97
RS Stock No. 198-7486
Mfr. Part No.BK4SRL12079SY-B1
TWD1,742.00
Each
units
38999 III 12 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 226-2424
Mfr. Part No.CL124021
TWD551.00
Each
units
- - - - - - - - - - - -
RS Stock No. 912-0718
Mfr. Part No.UT012JCSL
TWD574.00
Each
units
UT0 Series Connectors 12 Straight - Zinc Alloy - 11/16 in - 24 IP68 49.5mm - Yes UT0
New
RS Stock No. 190-3085
Mfr. Part No.MBG19S1
TWD430.10
Each (In a Pack of 100)
units
- - - - - - - - 54.5mm - - -
New
RS Stock No. 206-7515
Mfr. Part No.M85049/38-11N
TWD316.00
Each
units
38999 III 11 Straight - Aluminium Alloy - - - - - Yes MIL
RS Stock No. 343-1744
TWD1,393.00
Each
units
ABCIRCH 24 - - - - - - 39.85mm 25 - -
RS Stock No. 709-3769
Mfr. Part No.TT178UD-154
BrandToughcon
TWD399.00
Each
units
- - - - - - - - 32mm - - -
RS Stock No. 175-4506
Mfr. Part No.84010008
TWD1,624.00
Each
units
840 Series 1 Angled, Straight - Plastic - - IP65 26 mm, 33.5 mm - - 840
RS Stock No. 823-6285
Mfr. Part No.AIA-5003-09-00-00-10-AA-10
TWD2,644.00
Each
units
MIL-DTL-38999 Black Zinc Connectors 9 Straight - Aluminium Alloy - M12 x 1 - 1.431in - - 5003
RS Stock No. 808-747
Mfr. Part No.CL102041
TWD786.00
Each
units
- - - - - - - - - - - -
RS Stock No. 689-8853
Mfr. Part No.BK4ARL08049XY
TWD1,252.00
Each
units
MIL-C 38999 Connector 9 Right Angle - Zinc Plated Aluminium - - - 21.33mm - - BK4
New
RS Stock No. 206-7603
Mfr. Part No.M85049/88-17W03
TWD1,412.00
Each
units
38999 III 17 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 241-1402
Mfr. Part No.91Q1-20-11-1-ZB
BrandPolamco
TWD2,515.00
Each
units
Code Q Connector 20 Straight - Metal 3 UNEF 1-1/8-18 - 36mm - - 91