National Item Identification Number

00-274-7731

National Stock Number

Item Name

NUT,PLAIN,CASTELLATED,HEXAGON

Federal Supply Class

5310

Description

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.

Commercial and Government Entity Code (Supplier Data)

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77237

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89749

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95201

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NAPCO INTERNATIONAL LLC
11055 EXCELSIOR BLVD
HOPKINS
MN
55343
952-931-2490

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1ML14

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D W HERCULES LLC
DBA HERCULES ENGINE COMPONENTS DIV
2770 ERIE ST S
MASSILLON
OH
44646
330-830-2498

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Reference Numbers (Part Numbers)

HM21056A
HM21056A
HM21056A
L12161
1A9673
16044
21056
21056A
21056A
2105

Required Categories

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

Required Description

UNF
0.438 INCHES
20
3B
RIGHT-HAND
STEEL COMP 3140 OR
STEEL COMP 2330 OR
S