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National Stock Number:
5305-00-638-5039
Federal Supply Class:
5305
National Item Identification Number:
006385039
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:
| 69470 | 1PQF4 | CAE USA INC. | | 69470 | 36378 | RAYTHEON TECHNICAL SERVICES COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.090 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.110 INCHES NOMINAL | | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FASTENER LENGTH | 0.180 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.078 INCHES NOMINAL | | HARDNESS RATING | 65.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM OVERALL | | HEAD DIAMETER | 0.120 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | COPPER ALLOY 360 OVERALL | | MINIMUM YIELD STRENGTH | 28000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.073 INCHES | | SECOND DIAMETER FROM HEAD | 0.050 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.070 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 72 | | THREAD SERIES DESIGNATOR | UNF |
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