5305-01-371-0874, SCREW,EXTERNALLY RELIEVED BODY

5305-01-371-0875 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-371-0874

Federal Supply Class:
5305

National Item Identification Number:
013710874

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:

A320A923-102

88818

KEARFOTT CORPORATION

Techincal Specification:

EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.070 INCHES MINIMUM AND 2.090 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD DIAMETER	0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HEAD HEIGHT	0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
HEAD STYLE	BEVEL-CONICAL
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF
WIDTH ACROSS FLATS	0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM

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