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National Stock Number:
5306-01-553-4203
Federal Supply Class:
5306
National Item Identification Number:
015534203
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:
| 0.312-18UNC-2AX0.875 NICU | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 505001-000 ITEM 21 | 0U3H5 | PHILLIPS RESEARCH CORP | | 505001-000 ITEM 21 | 60347 | PHILLIPS RESEARCH CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.875 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | LOCKING FEATURE MATERIAL, PLASTIC ACRYLIC | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 18 |
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