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National Stock Number:
5306-01-507-3163
Federal Supply Class:
5306
National Item Identification Number:
015073163
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:
| 378FRAM-W-243-27 ITEM 13 | 04624 | COAST GUARD YARD UPH | | 378FRAM-W-243-27 ITEM 13 AND 15 | 04624 | COAST GUARD YARD UPH |
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Techincal Specification:
| HEAD HEIGHT | 2.500 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4140 OVERALL | | NOMINAL THREAD DIAMETER | 2.800 INCHES | | SPECIAL FEATURES | 29.125 INS LG; W/NUT 3.750 INS W; 2.500 INS H | | WIDTH BETWEEN FLATS | 4.250 INCHES NOMINAL | | THREAD LENGTH | 3.125 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF |
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