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National Stock Number:
5305-14-523-5539
Federal Supply Class:
5305
National Item Identification Number:
145235539
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:
| 798-132 | F1958 | LIEBHERR-AEROSPACE TOULOUSE SAS |
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Techincal Specification:
| CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | CHAMFER LENGTH | 0.5 MILLIMETERS NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FABRICATION METHOD | FORGED | | FASTENER LENGTH | 31.8 MILLIMETERS NOMINAL | | FIRST DIAMETER FROM HEAD | 7.7 MILLIMETERS NOMINAL | | HEAD DIAMETER | 14.1 MILLIMETERS NOMINAL | | HEAD HEIGHT | 9.4 MILLIMETERS NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL COMP Z8CND17-04 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH ACROSS FLATS | 7.94 MILLIMETERS NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 12.9 MILLIMETERS NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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