5305-00-849-7742, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-849-7742

Federal Supply Class:
5305

National Item Identification Number:
008497742

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:

2562-43061

14418

UNISYS CORP DEFENSE SYSTEMS C S D FIELD ENGINEERING

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.438 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.625 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.118 INCHES NOMINAL
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 DIAMETER	0.047 INCHES NOMINAL
HOLE CONFIGURATION STYLE	ROUND LONGITUDINAL HOLE
HOLE QUANTITY	1
HOLE TYPE	DRILLED
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH	70000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.164 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.187 INCHES MINIMUM
THREAD QUANTITY PER INCH	32

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