5305-00-679-6192, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-679-6192

Federal Supply Class:
5305

National Item Identification Number:
006796192

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:

A7634	72914	GRIMES AEROSPACE COMPANY
FF-S-92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
HEAD DIAMETER	0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT	0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM
HEAD STYLE	FILLISTER
HOLE CONFIGURATION STYLE	ROUND
HOLE DIAMETER	0.046 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1010 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.485 INCHES MINIMUM AND 0.536 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	32

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