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National Stock Number:
5306-00-075-7215
Federal Supply Class:
5306
National Item Identification Number:
000757215
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:
| 10891284 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | FFB575 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.094 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 3.500 INCHES NOMINAL | | FEATURES PROVIDED | UNFINISHED HEAD | | HEAD HEIGHT | 0.469 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | NONDEFINITIVE SPEC/STD DATA | 3 TYPE | | SHANK UNTHREADED HOLE DIAMETER | 0.138 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES DESIGNATOR | UNC |
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