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National Stock Number:
5305-00-728-8561
Federal Supply Class:
5305
National Item Identification Number:
007288561
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:
| 2056-2862 | 05030 | RAYTHEON CO MISSILE SYSTEMS DIV LOWELL PLANT | | 2056-2862 | 3B150 | RAYTHEON COMPANY | | 2056-2862 | 49956 | RAYTHEON COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.188 INCHES MINIMUM AND 1.266 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 1.526 INCHES MINIMUM AND 1.536 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM | | HEAD DIAMETER | 0.290 INCHES MAXIMUM | | HEAD HEIGHT | 0.080 INCHES MAXIMUM | | HEAD STYLE | BINDING | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.265 INCHES MINIMUM AND 0.343 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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