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National Stock Number: 5305-01-465-1192
Federal Supply Class: 5305
National Item Identification Number: 014651192
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:
000213668 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | 4521495-10 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST | 4521495-10 | 31550 | L3HARRIS TECHNOLOGIES, INC. |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | THREAD LENGTH | 0.750 INCHES MINIMUM AND | | 0.938 INCHES MAXIMUM | FASTENER LENGTH | 1.250 INCHES NOMINAL | MATERIAL | STEEL COMP 302 OR | | STEEL COMP 303 OR | | STEEL COMP 304 OR | | STEEL COMP 305 OR | | STEEL COMP 316 OVERALL | HEAD STYLE | HEXAGON | THREAD DIRECTION | RIGHT-HAND | NOMINAL THREAD DIAMETER | 0.250 INCHES | THREAD QUANTITY PER INCH | 20 | THREAD CLASS | 2A | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | HEAD HEIGHT | 0.150 INCHES MINIMUM AND | | 0.163 INCHES MAXIMUM | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | SPECIAL FEATURES | DO NOT DUPE TO NSN 5305-00-021-3668; THIS NSN IS FOR PEARL HARBOR USE ONLY; THIS IS A NON-STANDARD UNIT-OF-ISSUE |
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