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National Stock Number:
5306-01-394-8521
Federal Supply Class:
5306
National Item Identification Number:
013948521
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:
| 161-6736942 ITEM 5 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 161-6736942 PC5 | 64513 | BOLLINGER SHIPYARDS LOCKPORT, L.L.C. |
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Techincal Specification:
| FASTENER LENGTH | 6.890 INCHES NOMINAL | | HEAD DIAMETER | 1.970 INCHES NOMINAL | | HEAD HEIGHT | 0.915 INCHES NOMINAL | | HEAD STYLE | FILLISTER | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | SPECIAL FEATURES | DOG POINT LENGTH .790 DIA 0.875 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.892 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 7 |
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