National Item Identification Number

01-118-8580
011188580
5975-01-118-8580
5975011188580

National Stock Number

Item Name

REDUCING WASHER,KNOCKOUT

Federal Supply Class

5975

Description

An item consisting of a flat, cupped or embossed metallic disk with a centerhole to fit an electrical conduit of a specified size and which is specifically designed to reduce the knockout opening in a box, panel, or wireway for the convenience of terminating electrical conduit of smaller size than the knockout. Excludes ADAPTER, ELECTRICAL CONDUIT.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

941

Required Categories

MATERIAL
SURFACE TREATMENT
CONDUIT SIZE ACCOMMODATED
OVERALL THICKNESS
OUTSI

Required Description

STEEL
ZINC PLATED
2.500 INCHES NOMINAL
0.050 INCHES NOMINAL
4.125 INCHES NOM