5305-01-045-5543, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-045-5543

Federal Supply Class:
5305

National Item Identification Number:
010455543

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
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.

Manufacturer Information:

209210-3	99439	GENERAL TRUCK AND ENGINE CO
209210-3	99479	BOWMAR LLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.198 INCHES MINIMUM AND 0.287 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.078 INCHES NOMINAL
HEAD DIAMETER	0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT	0.068 INCHES MINIMUM AND 0.107 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.099 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SURFACE TREATMENT	OXIDE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.038 INCHES MINIMUM AND 0.137 INCHES MAXIMUM
THREAD QUANTITY PER INCH	48
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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