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. 823-6288
Mfr. Part No.AIA-5003-11-00-00-10-AA-10
SGD48.94
Each
units
MIL-DTL-38999 Black Zinc Connectors 11 Straight - Aluminium Alloy - M15 x 1 - 1.431in - - 5003
RS Stock No. 689-8822
Mfr. Part No.BK4SRL12079XY
SGD55.83
Each
units
MIL-C 38999 Connector 13 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 220-7067
Mfr. Part No.UTG16AC
SGD11.31
Each
units
- - - - - - - - 46mm - - -
RS Stock No. 510-8395
Mfr. Part No.91SH1-13-06-1-ZB
BrandPolamco
SGD92.09
Each
units
MIL-D 38999 Professional Threaded Connector 13 Straight - Aluminium Alloy 2 M18 x 1 - 30mm - - 91
RS Stock No. 425-648
Mfr. Part No.2428-010-2405
BrandDeutsch
SGD9.11
Each
units
HDP20 Series 24 Straight - Thermoplastic - - IP67 - - Yes L017
RS Stock No. 689-8838
Mfr. Part No.BK4SRL18129XY
SGD48.75
Each
units
MIL-C 38999 Connector 19 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 241-1323
Mfr. Part No.91D1-14-08-1-ZB
BrandPolamco
SGD93.35
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. 273-5304
Mfr. Part No.192900-0496
BrandITT Cannon
SGD19.80
Each
units
- - - - - - - - 85.5mm - - -
RS Stock No. 446-8242
Mfr. Part No.192900-0344
BrandITT Cannon
SGD15.09
Each
units
- - - - - - - - 90.8mm - - -
RS Stock No. 167-9758
Mfr. Part No.192900-0498
BrandITT Cannon
SGD21.87
Each
units
- - - - - - - - 128.5mm - - -
RS Stock No. 241-1351
Mfr. Part No.91D1-20-14-1-ZB
BrandPolamco
SGD54.26
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. 760-0521
Mfr. Part No.ABAC1009W13
SGD54.70
Each
units
MIL-DTL-38999 Connector Series III 13 Straight - Aluminium - - IP67 33.88mm - - ABAC
RS Stock No. 446-8236
Mfr. Part No.192900-0343
BrandITT Cannon
SGD12.48
Each
units
- - - - - - - - 67.1mm - - -
RS Stock No. 715-9922
Mfr. Part No.LJTNSA11014
SGD69.12
Each
units
LJT Series, RNJ Series, SJT Series 11 Straight - - - UNEF-2B 0.5625-24 - 31.79mm - - LJT
RS Stock No. 167-9742
Mfr. Part No.192900-0497
BrandITT Cannon
SGD20.48
Each
units
- - - - - - - - 89.8mm - - -
RS Stock No. 690-4024
Mfr. Part No.C016 G11 060 E10 V
SGD7.618
Each (In a Pack of 5)
units
- - - - - - - - - - Yes Eco-Mate
RS Stock No. 510-8367
Mfr. Part No.91SH1-09-04-1-ZB
BrandPolamco
SGD69.91
Each
units
MIL-D 38999 Professional Threaded Connector 9 Straight - Aluminium Alloy 4 M12 x 1 - 30mm - - 91
RS Stock No. 220-7045
Mfr. Part No.UTG12AC
SGD8.54
Each
units
- - - - - - - - 40mm - - -
RS Stock No. 510-8418
Mfr. Part No.AIA-5003-09-00-90-10-AA-04
SGD103.69
Each
units
Mil-C-38999 Series III - Right Angle - Aluminium Alloy - M12 - 32.39mm - No -
RS Stock No. 265-9806
Mfr. Part No.192993-0084
BrandITT Cannon
SGD50.46
Each
units
- - - - - - - - 88.5mm - - -