National Item Identification Number

00-638-5174
006385174
5305-00-638-5174
5305006385174

National Stock Number

Item Name

SCREW,EXTERNALLY RELIEVED BODY

Federal Supply Class

5305

Description

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Commercial and Government Entity Code (Supplier Data)

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23862

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MILITARY VEHICLES OPN
GENERAL MOTORS TRUCK AND BUS GROUP
660 S BOULEVARD E
PONTIAC
MI
48341
248-456-5000

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24617

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73331

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GENERAL MOTORS CORP
FISHER GUIDE DIV
600 CORPORATION DR
PENDLETON
IN
46064
765-221-6500

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19207

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19207

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Reference Numbers (Part Numbers)

KC8777
447B1
5939783
5939783
5939783
7525935
7539541
955638

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.190 INCHES
24
2A
RIGHT-HAND
0.266 INCHES MINIMUM
0.438 INCHES NOMINA