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National Stock Number:
5305-01-277-2564
Federal Supply Class:
5305
National Item Identification Number:
012772564
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:
| 7-317236846 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 7-317236846 | 1GZ00 | ALZIEBLER INCORPORATED | | 7-317236846 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 120.0 DEGREES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 | | FASTENER LENGTH | 1.028 INCHES NOMINAL | | HEAD HEIGHT | 0.167 INCHES NOMINAL | | HEAD STYLE | HEXAGON COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP 4340 OVERALL | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.155 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.216 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF |
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