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National Stock Number:
5306-00-473-3984
Federal Supply Class:
5306
National Item Identification Number:
004733984
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:
| 2072-141PC40 | 96169 | ELECTRIC BOAT CORPORATION | | 212-41-0432PC40 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 2272-141PC40 | 38018 | MANITOWOC ENGINEERING CO DIVISION OF THE MANITOWOC CO INC | | 2272-141PC40 | 76161 | MANITOWOC SHIPBUILDING INC | | 212-41-319WPC40 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 2.750 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HEAD HEIGHT | 0.625 INCHES NOMINAL | | HEAD STYLE | SQUARE | | MATERIAL DOCUMENT AND CLASSIFICATION | 43811 FSCM 14170 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | NONDEFINITIVE SPEC/STD DATA | B CLASS | | SPECIAL FEATURES | 1/8 IN. BY 45 DEG CHAMFER END OF BOLT AND 1/16 IN. RADIUS UNDER CUT TO DEPTH OF HEAD END | | WIDTH BETWEEN FLATS | 0.812 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.563 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 18 |
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