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National Stock Number:
5306-01-348-8920
Federal Supply Class:
5306
National Item Identification Number:
013488920
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:
| 23008185 | 63005 | ROLLS-ROYCE CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 0.020 RADIANS MAXIMUM | | FASTENER LENGTH | 0.482 INCHES NOMINAL | | HEAD HEIGHT | 0.045 INCHES NOMINAL | | HEAD DIAMETER | 0.464 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK KEYED | | KEY PROJECTION LENGTH | 0.074 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.257 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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