National Item Identification Number

00-637-0534

National Stock Number

Item Name

NUT,PLAIN,ROUND

Federal Supply Class

5310

Description

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Commercial and Government Entity Code (Supplier Data)

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35351

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35351

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Reference Numbers (Part Numbers)

21581
21581-01

Required Categories

THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE

Required Description

UNF
0.500 INCHES
20
2B
RIGHT-HAND
COPPER ALLOY 510 OR
COPPER ALLOY 524 OR;