5305-01-497-6744, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-497-6744

Federal Supply Class:
5305

National Item Identification Number:
014976744

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:

16103075	13160	GENERAL DYNAMICS LAND SYSTEMS INC.
16103075-1	13160	GENERAL DYNAMICS LAND SYSTEMS INC.
700-.5-SS-12	51506	ACCURATE SCREW MACHINE CORP
700-.500-SS-12	51506	ACCURATE SCREW MACHINE CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.474 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER	0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
HEAD HEIGHT	0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
POINT CHAMFER ANGLE	90.0 DEGREES NOMINAL
POINT DIAMETER	0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
POINT LENGTH	0.078 INCHES NOMINAL
POINT STYLE	CONE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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