Catalog Number grp-161-G-170-G

Grounding Locknut

Problem Solver

This product was precisely manufactured for trouble-free installation.


This innovative product was created for solar energy applications.

Time Saver

This fitting was designed to make your job easier by saving you time.

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Used in place where a grounding bushing and locknut, for bonding connectors inside the box. Perfect for tight locations or fittings with shorter locknut threads. ETL Listed for use with all Bridgeport Fittings connectors. Grounding Locknuts are ETL Listed to replace the standard locknut that comes with a Bridgeport Fitting, and no additional locknuts are required.

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Dimensional Data Product Information
Catalog Number DIM. A DIM. B DIM. C UPC Item number Trade Size
Catalog Number 161-G DIM. A 1.50 DIM. B 0.357 DIM. C 1.40 UPC Item number 90161 Trade Size 1/2"
Catalog Number 162-G DIM. A 1.5 DIM. B 0.38 DIM. C 1.38 UPC Item number 90162 Trade Size 3/4"
Catalog Number 163-G DIM. A 1.9 DIM. B 0.5 DIM. C 1.62 UPC Item number 90163 Trade Size 1"
Catalog Number 164-G DIM. A 2.29 DIM. B 0.67 DIM. C 2.19 UPC Item number 90164 Trade Size 1-1/4"
Catalog Number 165-G DIM. A 2.56 DIM. B 0.68 DIM. C 2.31 UPC Item number 90165 Trade Size 1-1/2"
Catalog Number 166-G DIM. A 3.07 DIM. B 0.63 DIM. C 2.53 UPC Item number 90166 Trade Size 2"
Catalog Number 167-G DIM. A 3.6 DIM. B 0.63 DIM. C 2.8 UPC Item number 90167 Trade Size 2-1/2"
Catalog Number 168-G DIM. A 4.22 DIM. B 0.63 DIM. C 3.11 UPC Item number 90168 Trade Size 3"
Catalog Number 169-G DIM. A 4.81 DIM. B 0.75 DIM. C 3.66 UPC Item number 90169 Trade Size 3-1/2"
Catalog Number 170-G DIM. A 5.36 DIM. B 0.75 DIM. C 3.94 UPC Item number 90170 Trade Size 4"
Product details
UPC Number
Primary Materials
Zinc Die Cast, Tin Plated Aluminum
Ball Burnished, Mirror Smooth
Certifications & Codes
Federal Specification Number
Nema Standard
UL Standard
Listed ETL Conforms to UL STD 514B Certified to CAN/CSA STD. C22.2 No. 18.3
Compliance Documents