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National Stock Number:
5306-00-757-8591
Federal Supply Class:
5306
National Item Identification Number:
007578591
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:
| 69408A6-2 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 69408A6-2 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.270 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.230 INCHES NOMINAL | | HOLE DIAMETER | 0.031 INCHES NOMINAL | | HOLE QUANTITY | 4 | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD LENGTH | 0.250 INCHES MINIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 40 | | WIDTH BETWEEN FLATS | 0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
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