5305-01-296-2847, SCREW,EXTERNALLY RELIEVED BODY

5305-01-296-2846 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-296-2847

Federal Supply Class:
5305

National Item Identification Number:
012962847

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:

5190795	53711	NAVAL SEA SYSTEMS COMMAND
5190795	97993	GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS

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	2.247 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.074 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
HEAD DIAMETER	0.438 INCHES NOMINAL
HEAD HEIGHT	0.378 INCHES NOMINAL
HEAD STYLE	DOUBLE CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SPECIAL FEATURES	GRIP 1.625 IN. NOM LG; 0.135 IN. MIN 0.145 IN MAX DIA; THREADS ON SHANK 0.350 IN. MIN 0.410 IN. MAX LG; 0.190-32UNF-2A; 96 DP RAISED DIAMOND KNURL HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.247 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	40

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