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National Stock Number:
5306-00-832-5733
Federal Supply Class:
5306
National Item Identification Number:
008325733
Description:
BOLT,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 undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
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Manufacturer Information:
| 11630424 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | SQAP11630424 | 19202 | DEPARTMENT OF THE ARMY ARMY RESEARCH LABORATORY ADELPHI LABORATORY CENTER |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.698 INCHES MINIMUM AND 0.722 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.080 INCHES NOMINAL | | FASTENER LENGTH | 2.880 INCHES MINIMUM AND 2.940 INCHES MAXIMUM | | HEAD HEIGHT | 0.480 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140H OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.090 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 14 | | THREAD SERIES DESIGNATOR | UNC |
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