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National Stock Number:
5306-00-533-9686
Federal Supply Class:
5306
National Item Identification Number:
005339686
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:
| 8742696 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FASTENER LENGTH | 4.750 INCHES NOMINAL | | FEATURES PROVIDED | UNFINISHED HEAD | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.438 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 5TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1340 OR STEEL COMP 5140 OR STEEL OR STEEL COMP 8640 OR STEEL COMP 8735 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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