5305-00-979-7815, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-979-7815

Federal Supply Class:
5305

National Item Identification Number:
009797815

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:

577623

73030

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.263 INCHES MINIMUM AND 0.288 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.033 INCHES MINIMUM AND 0.038 INCHES MAXIMUM FIRST HOLE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	0.463 INCHES MINIMUM AND 0.493 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
HEAD DIAMETER	0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
HEAD HEIGHT	0.082 INCHES MINIMUM AND 0.107 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL	STEEL COMP 410 OR STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SECOND DIAMETER FROM HEAD	0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER	0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM FIRST HOLE
THREAD CLASS	2A
THIRD DIAMETER FROM HEAD	0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.190 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

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