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National Stock Number:
5305-01-327-7935
Federal Supply Class:
5305
National Item Identification Number:
013277935
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:
| 5619077 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.875 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.140 INCHES NOMINAL | | HEAD DIAMETER | 0.308 INCHES NOMINAL | | HEAD HEIGHT | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.281 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF | | WIDTH ACROSS FLATS | 0.1562 INCHES MINIMUM AND 0.1587 INCHES MAXIMUM |
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