National Item Identification Number

00-900-4381

National Stock Number

Item Name

NUT,SELF-LOCKING,BARREL

Federal Supply Class

5310

Description

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, ROUND.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

NAS577-4F
NAS577B4F

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 OVERALL
CADMIUM OVERALL
NOT RATE