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National Stock Number: 5306-01-489-1246
Federal Supply Class: 5306
National Item Identification Number: 014891246
Description: BOLT,MACHINE
Detail: An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
NAS7503U7 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | NAS7503U7 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | NAS7503U7 | A0170 | LEONARDO SPA AEROSTRUCTURE DIVISION | NAS7503U7 | Z6X32 | C & L AEROSPACE PTY LTD |
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Techincal Specification:
COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | FASTENER LENGTH | 0.751 INCHES MINIMUM AND 0.771 INCHES MAXIMUM | GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | HEAD DIAMETER | 0.338 INCHES MINIMUM AND 0.381 INCHES MAXIMUM | HEAD STYLE | FLAT COUNTERSUNK | MATERIAL | IRON ALLOY 660 OVERALL | NOMINAL THREAD DIAMETER | 0.190 INCHES | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD CLASS | 3A | THREAD LENGTH | 0.746 INCHES MINIMUM AND 0.776 INCHES MAXIMUM | THREAD SERIES DESIGNATOR | UNJF | THREAD QUANTITY PER INCH | 32 |
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