National Item Identification Number

00-483-9491

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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15653

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ALCOA GLOBAL FASTENERS DE
DBA ALCOA FASTENING SYSTEMS DIV
800 S COLLEGE BLVD
FULLERTON
CA
92831
805-991-1270

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98897

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56878

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Reference Numbers (Part Numbers)

H29649-4
L55LHEB220-048
STSCD007-08
68457-428

Required Categories

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

Required Description

UNJF
0.250 INCHES
28
3B
RIGHT-HAND
STEEL COMP 3140 OR
STEEL COMP 8740 OVER