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National Stock Number:
5306-00-352-0358
Federal Supply Class:
5306
National Item Identification Number:
003520358
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:
| A51S60508-15 | 1B934 | FOSS-BROWN INC. | | A51S60508-15 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51S60508-15 | 61168 | WINNER'S CIRCLE ENGINEERING INC | | A51S60508-15 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51S60508-15 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 2.500 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.250 INCHES NOMINAL | | FASTENER LENGTH | 4.000 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.900 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 155000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.375 INCHES | | WIDTH BETWEEN FLATS | 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES GRIP | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.060 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 12 |
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