5305-00-187-9906, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-187-9906

Federal Supply Class:
5305

National Item Identification Number:
001879906

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:

1C4597-1

97953

GE AVIATION SYSTEMS LLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.594 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
FASTENER LENGTH	1.000 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
HEAD DIAMETER	0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH	60000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.164 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
THREAD CLASS	2A
THREAD LENGTH	0.359 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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