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National Stock Number:
5305-01-324-0982
Federal Supply Class:
5305
National Item Identification Number:
013240982
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 239A8502 | 24374 | BECHTEL TECHNICAL SERVICES INC MACHINERY APPARATUS OPN | | LL-HX3-Q67679 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | FASTENER LENGTH | 10.440 INCHES MINIMUM AND 10.560 INCHES MAXIMUM | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 1020 OVERALL | | NOMINAL THREAD DIAMETER | 1.750 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS | | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING | | SURFACE FINISH | 63.0 MICROINCHES THREADS | | TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.000 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UN | | WIDTH BETWEEN FLATS | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
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