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
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
RS Stock No. 343-1744
TWD1,393.00
Each
units
ABCIRCH 24 - - - - - - 39.85mm 25 - -
RS Stock No. 219-9865
Mfr. Part No.8403PEF21
TWD6,060.00
Each
units
840 series 3 Straight - Aluminium - PG21 IP65 - - - 840
RS Stock No. 752-5694
Mfr. Part No.058-8578-103
BrandITT Cannon
TWD76.00
Each
units
APD Series - Right Angle - PBT - - IP67, IP69K - - - 058
New
RS Stock No. 206-7572
Mfr. Part No.M85049/69-19A
TWD425.00
Each
units
38999 III 19 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 510-8402
Mfr. Part No.91SH1-15-08-1-ZB
BrandPolamco
TWD1,312.00
Each
units
MIL-D 38999 Professional Threaded Connector 15 Straight - Aluminium Alloy 3 M22 x 1 - 30mm - - 91
RS Stock No. 873-1673
Mfr. Part No.97-283-28
TWD2,213.00
Each
units
Jacketed Cable 28 - - Aluminium Alloy - - - - - - 97
RS Stock No. 198-7517
Mfr. Part No.BK4SRL22169SZN
TWD1,219.00
Each
units
38999 III 22 Straight Female Aluminium Alloy - - - - - No BK4
New
RS Stock No. 206-7600
Mfr. Part No.M85049/88-15Z03
TWD1,714.00
Each
units
38999 III 15 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 873-1727
Mfr. Part No.97-3055-121-22002
TWD1,075.00
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. 709-3747
Mfr. Part No.TT178SR-45
BrandToughcon
TWD214.00
Each
units
- - - - - - - - 35.6mm - - -
RS Stock No. 198-7479
Mfr. Part No.BK4SRL10059SY
TWD1,761.00
Each
units
38999 III 10 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 198-7487
Mfr. Part No.BK4SRL12079SZN
TWD1,115.00
Each
units
38999 III 12 Straight Female Aluminium Alloy - - - - - No BK4
New
RS Stock No. 206-7534
Mfr. Part No.M85049/38-23A
TWD472.00
Each
units
38999 III 23 Straight - Aluminium Alloy - - - - - Yes MIL
RS Stock No. 709-3447
Mfr. Part No.TM118ES-26
BrandToughcon
TWD462.00
Each
units
- - - - - - - - 72.9mm - - -
RS Stock No. 709-3778
Mfr. Part No.TT238UD-153
BrandToughcon
TWD509.00
Each
units
- - - - - - - - 35mm - - -
RS Stock No. 575-743
Mfr. Part No.PX0799
BrandBulgin
TWD139.00
Each
units
- - - - - - - - 50mm - - -
RS Stock No. 912-0721
Mfr. Part No.UT020AC
TWD848.00
Each
units
UT0-UT0W Series Circular Connector 20 Straight - Zinc Alloy - 1-3/16 in - 18 - 32mm - Yes UT0
RS Stock No. 808-747
Mfr. Part No.CL102041
TWD786.00
Each
units
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