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. 873-1780
Mfr. Part No.97-3057-10
TWD272.00
Each
units
Jacketed Cable, Wires Protected by Tubing 18 Straight - - - 1 in - 20 - 28.58mm - - 97
New
RS Stock No. 206-7557
Mfr. Part No.M85049/69-11W
TWD398.00
Each
units
38999 III 11 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 689-8822
Mfr. Part No.BK4SRL12079XY
TWD1,675.00
Each
units
MIL-C 38999 Connector 13 Straight - Zinc Plated Aluminium - - - 31.75mm - - BK4
RS Stock No. 715-9922
Mfr. Part No.LJTNSA11014
TWD1,478.00
Each
units
LJT Series, RNJ Series, SJT Series 11 Straight - - - UNEF-2B 0.5625-24 - 31.79mm - - LJT
RS Stock No. 767-6597
Mfr. Part No.ABBP24LBN
TWD637.00
Each
units
ABCIRP Series 24 Straight Female Aluminium Alloy - UNEF 1-3/8 x 18 IP67 24.65mm 7 - ABCIRP
New
RS Stock No. 206-7531
Mfr. Part No.M85049/38-21A
TWD441.00
Each
units
38999 III 21 Straight - Aluminium Alloy - - - - - Yes MIL
RS Stock No. 873-1875
Mfr. Part No.97-3057-1016-1(621)
TWD495.00
Each
units
Jacketed Cable, Wires Protected by Tubing 24, 28 Straight - - - 1-7/16 in - 18 - - - - 97
RS Stock No. 709-3541
Mfr. Part No.TM178UD-152
BrandToughcon
TWD584.00
Each
units
- - - - - - - - 34mm - - -
RS Stock No. 687-6575
Mfr. Part No.UTG18PG
TWD416.00
Each
units
- - - - - - - - 71mm - - -
New
RS Stock No. 190-3079
Mfr. Part No.MBG4S1
TWD352.00
Each (In a Pack of 100)
units
- - - - - - - - 54.5mm - - -
RS Stock No. 175-4528
Mfr. Part No.84030008
TWD2,083.00
Each
units
840 Series 3 Angled, Straight - Plastic - - IP65 36.5 mm, 46 mm - - 840
RS Stock No. 709-3484
Mfr. Part No.TM178GA-M20
BrandToughcon
TWD1,001.00
Each
units
- - - - - - - - 34mm - - -
RS Stock No. 690-4024
Mfr. Part No.C016 G11 060 E10 V
TWD172.60
Each (In a Pack of 5)
units
- - - - - - - - - - Yes Eco-Mate
New
RS Stock No. 206-7571
Mfr. Part No.M85049/69-17Z
TWD587.00
Each
units
38999 III 17 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 626-9205
Mfr. Part No.JL05-18EB3B-(11)-RK
BrandJAE
TWD617.00
Each
units
- - - - - - - - 71.3mm - - -
RS Stock No. 691-6759
Mfr. Part No.1330 2 PES2
TWD1,998.00
Each
units
Connector 2 Straight - Aluminium Alloy - - IP67 42mm - Yes ECTA 133
RS Stock No. 474-603
Mfr. Part No.192991-0516
BrandITT Cannon
TWD1,098.00
Each
units
QM Range Connector - - Female Nylon - - - 67mm 23 - 192
New
RS Stock No. 206-7512
Mfr. Part No.M85049/38-09N
TWD357.00
Each
units
38999 III 9 Straight - Aluminium Alloy - - - - - Yes MIL
RS Stock No. 823-6291
Mfr. Part No.AIA-5003-15-00-00-10-AA-10
TWD1,631.00
Each
units
MIL-DTL-38999 Black Zinc Connectors 15 Straight - Aluminium Alloy - M22 x 1 - 1.431in - - 5003
RS Stock No. 198-7500
Mfr. Part No.BK4SRL18129SN
TWD1,519.00
Each
units
38999 III 18 Straight Female Aluminium Alloy - - - - - No BK4