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National Stock Number:
5306-01-260-9803
Federal Supply Class:
5306
National Item Identification Number:
012609803
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:
| 820-4384750PC2 | 57311 | NIPAK INC | | 820-4384750PC2 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 864B042113 | 34228 | L3 TECHNOLOGIES, INC. |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | FASTENER LENGTH | 0.788 INCHES NOMINAL | | HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM | | HEAD STYLE | DISHED HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SPECIAL FEATURES | POINT IS MILLED TO 0.078 BY 0.120 IN. | | WIDTH BETWEEN FLATS | 0.425 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.180 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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