National Item Identification Number

00-345-3259

National Stock Number

Item Name

BOLT,RIBBED SHOULDER

Federal Supply Class

5306

Description

An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

G661A

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNF
0.500 INCHES
20
2A
RIGHT-HAND
0.969 INCHES MINIMUM
1.750 INCHES NOMINA