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National Stock Number:
5305-00-847-3070
Federal Supply Class:
5305
National Item Identification Number:
008473070
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:
| 10851-001 | 10138 | ASTRONAUTICS CORPORATION OF AMERICA | | 127600 | 73734 | FEDERAL SCREW PRODUCTS INC. | | 2601390-1 | 06424 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | 26C801-001 | 04660 | AIL SYSTEMS INC SUB OF EATON CORP | | 83-9262-0295 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 951230-4 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | CCSS1 | 70318 | ALLMETAL SCREW PRODUCTS CORP | | S022-001-0001 | 07421 | L3HARRIS INTERSTATE ELECTRONICS CORPORATION | | Y9-1 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | Y9-1U | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.281 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.478 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.072 INCHES NOMINAL | | HEAD DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.197 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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