5305-01-264-1451, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-264-1451

Federal Supply Class:
5305

National Item Identification Number:
012641451

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:

200-05SS 1032 E	57177	PROMPTUS ELECTONIC HARDWARE INC
70-2733525-1	67032	GENERAL DYNAMICS MISSION SYSTEMS, INC.
701-SS-20	55566	MATTHEW WARREN, INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.375 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.735 INCHES MINIMUM AND 0.764 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
HEAD DIAMETER	0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
HEAD HEIGHT	0.249 INCHES NOMINAL
HEAD STYLE	KNURLED NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
POINT DIAMETER	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
POINT LENGTH	0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
POINT STYLE	CONE
POINT CHAMFER ANGLE	55.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES NOMINAL
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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