National Item Identification Number

01-448-4014

National Stock Number

Item Name

NUT,SELF-LOCKING,EXTENDED WASHER,HEXAGON

Federal Supply Class

5310

Description

A nut having 6 flat sides and an integral washer which extends beyond the flats 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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56878

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77445

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Reference Numbers (Part Numbers)

H54893-4
ST5074-10
ST5074-10

Required Categories

THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD PITCH DIAME

Required Description

UNJF
0.250 INCHES
28
0.2500 TO 0.2800 INCHES
RIGHT-HAND
NICKEL OVERALL
AMS