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. 241-1301
Mfr. Part No.91D1-10-05-1-ZB
BrandPolamco
€33.12
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 10 Straight - Aluminium Alloy 1 UNEF 9/16-24 - 34mm - - 91
RS Stock No. 241-1294
Mfr. Part No.91D1-08-04-1-ZB
BrandPolamco
€36.26
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 8 Straight - Aluminium Alloy 1 UNEF 7/16-28 - 34mm - - 91
RS Stock No. 104-503
Mfr. Part No.91D1-12-06-1-ZB
BrandPolamco
€41.78
Each
units
62 GB Series, AB05 Series, MIL-C 26482 Connector 12 Straight - Metal 1 UNEF 11/16-24 - - - - 1
RS Stock No. 510-8373
Mfr. Part No.91SH1-11-05-1-ZB
BrandPolamco
€39.47
Each
units
MIL-D 38999 Professional Threaded Connector 11 Straight - Aluminium Alloy 1 M15 x 1 - 30mm - - 91
RS Stock No. 510-8402
Mfr. Part No.91SH1-15-08-1-ZB
BrandPolamco
€37.34
Each
units
MIL-D 38999 Professional Threaded Connector 15 Straight - Aluminium Alloy 3 M22 x 1 - 30mm - - 91
RS Stock No. 241-1345
Mfr. Part No.91D1-18-12-1-ZB
BrandPolamco
€39.47
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 18 Straight - Aluminium Alloy 3 UNEF 1-1/16-18 - 34mm - - 91
RS Stock No. 241-1430
Mfr. Part No.91L1-12-05-1-ZB
BrandPolamco
€29.95
Each
units
MIL-DTL-5015 Connector 12 Straight - Aluminium Alloy 1 UNEF 5/8-24 - 30mm - - 91
RS Stock No. 241-1452
Mfr. Part No.91L1-14-07-1-ZB
BrandPolamco
€30.11
Each
units
MIL-DTL-5015 Connector 14 Straight - Aluminium Alloy 1 UNEF 3/4-20 - 30mm - - 91
RS Stock No. 241-1474
Mfr. Part No.91L1-22-15-1-ZB
BrandPolamco
€54.37
Each
units
MIL-DTL-5015 Connector 22 Straight - Aluminium Alloy 2 UNEF 1-1/4-18 - 30mm - - 91
RS Stock No. 241-1351
Mfr. Part No.91D1-20-14-1-ZB
BrandPolamco
€33.02
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 20 Straight - Aluminium Alloy 3 UNEF 1-3/16-18 - 34mm - - 91
RS Stock No. 510-8367
Mfr. Part No.91SH1-09-04-1-ZB
BrandPolamco
€16.85
Each
units
MIL-D 38999 Professional Threaded Connector 9 Straight - Aluminium Alloy 4 M12 x 1 - 30mm - - 91
RS Stock No. 241-1367
Mfr. Part No.91Q1-12-04-1-ZB
BrandPolamco
€36.80
Each
units
Code Q Connector 12 Straight - Metal 1 UNEF 5/8-24 - 36mm - - 91
RS Stock No. 241-1402
Mfr. Part No.91Q1-20-11-1-ZB
BrandPolamco
€34.18
Each
units
Code Q Connector 20 Straight - Metal 3 UNEF 1-1/8-18 - 36mm - - 91
RS Stock No. 510-8395
Mfr. Part No.91SH1-13-06-1-ZB
BrandPolamco
€44.33
Each
units
MIL-D 38999 Professional Threaded Connector 13 Straight - Aluminium Alloy 2 M18 x 1 - 30mm - - 91
RS Stock No. 241-1339
Mfr. Part No.91D1-16-10-1-ZB
BrandPolamco
€42.93
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 16 Straight - Aluminium Alloy 2 UNEF 15/16-20 - 34mm - - 91
RS Stock No. 241-1468
Mfr. Part No.91L1-18-11-1-ZB
BrandPolamco
€32.30
Each
units
MIL-DTL-5015 Connector 18 Straight - Aluminium Alloy 2 UNEF 1-20 - 30mm - - 91
RS Stock No. 241-1323
Mfr. Part No.91D1-14-08-1-ZB
BrandPolamco
€28.68
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 14 Straight - Aluminium Alloy 2 UNEF 13/16-20 - 34mm - - 91
RS Stock No. 241-1373
Mfr. Part No.91Q1-14-06-1-ZB
BrandPolamco
€32.62
Each
units
Code Q Connector 14 Straight - Metal 1 UNEF 3/4-20 - 36mm - - 91
RS Stock No. 241-1480
Mfr. Part No.91L1-24-16-1-ZB
BrandPolamco
€56.00
Each
units
MIL-DTL-5015 Connector 24 Straight - Aluminium Alloy 3 UNEF 1-3/8-18 - 30mm - - 91