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National Stock Number:
5306-01-028-1508
Federal Supply Class:
5306
National Item Identification Number:
010281508
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:
| 3017691 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZW | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SPECIAL QUALITY CONTROL TESTING FOR MK 48 TORPEDO | | FASTENER LENGTH | 2.000 INCHES NOMINAL | | GRIP LENGTH | 0.750 INCHES NOMINAL | | HEAD DIAMETER | 1.100 INCHES MINIMUM AND 1.120 INCHES MAXIMUM | | HEAD HEIGHT | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED | | MATERIAL | STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1040 OR STEEL COMP 1541 OR STEEL COMP 1043 OR STEEL COMP 1044 OR STEEL COMP 1045 OR STEEL COMP 4042 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH BETWEEN FLATS | 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 13 |
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