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National Stock Number:
5306-01-359-6895
Federal Supply Class:
5306
National Item Identification Number:
013596895
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:
| 0441B0133-33 | 03538 | LOCKHEED MARTIN CORPORATION | | 0441B0133-33 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS | | NP140ML420N24P | 26233 | NYLOK LLC | | P4ML420-24P | 26233 | NYLOK LLC | | P4ML420-24P | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 1.500 INCHES MINIMUM AND | | 1.625 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY K-500 OR | | NICKEL ALLOY R-405 OR | | NICKEL ALLOY 400 OR | | NICKEL ALLOY 502 OVERALL | | THREAD LENGTH | 0.750 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | HEAD HEIGHT | 0.153 INCHES MINIMUM AND | | 0.160 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM | | LOCKING FEATURE | PATCH THREADS |
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