2915-00-142-4690 DISC,RELIEF VALVE BY-PASS Index 5305-00-142-4692 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-142-4691

Federal Supply Class:
5305

National Item Identification Number:
001424691

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:
528907-1196214RAYTHEON COMPANY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.810 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER0.202 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD LENGTH0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC


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