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National Stock Number:
5305-01-061-2538
Federal Supply Class:
5305
National Item Identification Number:
010612538
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:
| 136235 | 37695 | RAYTHEON COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | FASTENER LENGTH | 0.360 INCHES MINIMUM AND 0.405 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SPECIAL FEATURES | WITH 1 EA PACKING,PREFORMED AND 1EA WASHER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD LENGTH | 0.140 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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