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 CAD Drawing
RS Stock No. 823-6288
Mfr. Part No.AIA-5003-11-00-00-10-AA-10
BrandAmphenol
SGD53.39
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
BrandAmphenol
SGD48.86
Each
units
MIL-C 38999 Connector 13 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4 -
RS Stock No. 220-7067
Mfr. Part No.UTG 16AC
BrandSouriau
SGD5.25
Each
units
- - - - - - - - 46mm - - - -
RS Stock No. 510-8395
Mfr. Part No.91SH1-13-06-1-ZB
BrandPolamco
SGD41.94
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
SGD3.97
Each
units
HDP20 Series 24 Straight - Thermoplastic - - IP67 - - Yes L017 -
RS Stock No. 689-8838
Mfr. Part No.BK4SRL18129XY
BrandAmphenol
SGD48.07
Each
units
MIL-C 38999 Connector 19 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4 -
RS Stock No. 446-8242
Mfr. Part No.192900-0344
BrandITT Cannon
SGD8.88
Each
units
- - - - - - - - 90.8mm - - - -
RS Stock No. 273-5304
Mfr. Part No.192900-0496
BrandITT Cannon
SGD9.09
Each
units
- - - - - - - - 85.5mm - - - -
RS Stock No. 241-1323
Mfr. Part No.91D1-14-08-1-ZB
BrandPolamco
SGD47.48
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 14 Straight - Aluminium Alloy 2 UNEF 13/16-20 - 34mm - - 91 3D CAD Model
RS Stock No. 167-9758
Mfr. Part No.192900-0498
BrandITT Cannon
SGD22.35
Each
units
- - - - - - - - 128.5mm - - - -
RS Stock No. 873-1901
Mfr. Part No.97-3057-10-6
BrandAmphenol
SGD10.38
Each
units
Jacketed Cable, Wires Protected by Tubing 18 Straight - - - 1 in - 20 - 28.58mm - - 97 -
RS Stock No. 241-1351
Mfr. Part No.91D1-20-14-1-ZB
BrandPolamco
SGD36.97
Each
units
MIL-DTL-26482 Series I, PATT 105, PATT 603 20 Straight - Aluminium Alloy 3 UNEF 1-3/16-18 - 34mm - - 91 3D CAD Model
RS Stock No. 446-8236
Mfr. Part No.192900-0343
BrandITT Cannon
SGD7.90
Each
units
- - - - - - - - 67.1mm - - - -
RS Stock No. 690-4024
Mfr. Part No.C016 G11 060 E10 V
BrandAmphenol
SGD6.966
Each (In a Pack of 5)
units
- - - - - - - - - - Yes Eco-Mate -
RS Stock No. 715-9922
Mfr. Part No.LJTNSA11014
BrandAmphenol
SGD34.29
Each
units
LJT Series, RNJ Series, SJT Series 11 Straight - - - UNEF-2B 0.5625-24 - 31.79mm - - LJT -
RS Stock No. 691-2681
Mfr. Part No.1330 0 P2
BrandAmphenol
SGD23.80
Each
units
- - Straight - Aluminium Alloy - - IP67 13mm - - ECTA 133 -
RS Stock No. 760-0521
Mfr. Part No.ABAC1009W13
SGD52.46
Each
units
MIL-DTL-38999 Connector Series III 13 Straight - Aluminium - - IP67 33.88mm - - ABAC -
RS Stock No. 690-4028
Mfr. Part No.C016 G11 061 E10 V
BrandAmphenol
SGD6.966
Each (In a Pack of 5)
units
- - - - - - - - - - Yes Eco-Mate -
RS Stock No. 873-1819
Mfr. Part No.97-3057-1007(676)
BrandAmphenol
SGD5.79
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 21.59mm - - 97 -
RS Stock No. 167-9742
Mfr. Part No.192900-0497
BrandITT Cannon
SGD14.17
Each
units
- - - - - - - - 89.8mm - - - -
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