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National Stock Number:
5305-01-383-8764
Federal Supply Class:
5305
National Item Identification Number:
013838764
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:
| 114126-.500-SS-12 | 51506 | ACCURATE SCREW MACHINE CORP | | 127-039-202 | 20747 | L-3 COMMUNICATIONS CORPORATION DBA GLOBAL NETWORK SOLUTIONS DIV AYDIN COMMUNICATIONS DIVISION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.178 INCHES MINIMUM AND | | 0.198 INCHES MAXIMUM | | FASTENER LENGTH | 0.485 INCHES MINIMUM AND | | 0.515 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303CU OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-W-52263 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.269 INCHES MINIMUM AND | | 0.289 INCHES MAXIMUM | | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE III | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
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