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National Stock Number:
5306-00-432-8716
Federal Supply Class:
5306
National Item Identification Number:
004328716
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:
| 6871530 | 2T498 | MORTON GRINDING, INC | | 6871530 | 4GP55 | ACUFAST AIRCRAFT PRODUCTS | | 6871530 | 63005 | ROLLS-ROYCE CORPORATION | | 6871530 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE THREADS | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.469 INCHES NOMINAL | | MATERIAL | STEEL COMP 630 OVERALL | | THREAD LENGTH | 0.398 INCHES MINIMUM AND | | 0.469 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | SILVER THREADS | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | FEATURES PROVIDED | FINISHED HEAD | | PRECIOUS MATERIAL | SILVER |
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