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National Stock Number:
5306-00-121-3561
Federal Supply Class:
5306
National Item Identification Number:
001213561
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:
| 33-020272-01 | 15280 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION | | 33-020272-01 | 26916 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.688 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.188 INCHES NOMINAL | | HEAD DIAMETER | 0.438 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.216 INCHES | | SPECIAL FEATURES | 60 DEG CHAMFER ON UNDERSIDE OF ONE WRENCH FLAT CUT TO JUNCTION OF SHANK AND HEAD | | WIDTH BETWEEN FLATS | 0.291 INCHES MINIMUM AND 0.311 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF |
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