National Item Identification Number

00-057-5704

National Stock Number

Item Name

NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON

Federal Supply Class

5310

Description

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Commercial and Government Entity Code (Supplier Data)

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27238

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K1037

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56878

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Reference Numbers (Part Numbers)

BH00450-9
DSR588-1006
42FLW918

Required Categories

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

Required Description

UNF
0.562 INCHES
18
3B
RIGHT-HAND
STEEL COMP 4037 OR
STEEL COMP 8740 OVERA