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National Stock Number: 5305-00-068-8058
Federal Supply Class: 5305
National Item Identification Number: 000688058
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.
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Manufacturer Information:
53D150348-9 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.112 INCHES | THREAD QUANTITY PER INCH | 40 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.500 INCHES MINIMUM | FASTENER LENGTH | 1.600 INCHES NOMINAL | MATERIAL | STEEL COMP 303 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OR | | ASTM A581 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | HEAD STYLE | HEXAGON | HEAD HEIGHT | 0.460 INCHES NOMINAL | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | FIRST DIAMETER FROM HEAD | 0.080 INCHES MINIMUM AND | | 0.084 INCHES MAXIMUM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.100 INCHES NOMINAL | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 76301 | DESIGN CONTROL REFERENCE | 53D150348-9 |
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