5305-01-154-2581 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-154-2583 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-154-2582

Federal Supply Class:
5305

National Item Identification Number:
011542582

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:
349122382577RAYTHEON COMPANY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.438 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.688 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.130 INCHES NOMINAL
HEAD DIAMETER0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
POINT STYLEFLAT
WIDTH ACROSS FLATS0.1406 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD LENGTH0.250 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJC


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