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National Stock Number:
5306-01-058-6175
Federal Supply Class:
5306
National Item Identification Number:
010586175
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:
| PWA51069-6 | 77445 | RTX CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 7.188 INCHES NOMINAL | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.500 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | FILLISTER | | HOLE DIAMETER | 0.218 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | ROUND PERPENDICULAR | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 2 | | LOCKING FEATURE | RETAINER HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR AISI 4150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 4150 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | HEAD HOLES ARE 180 DEGREES APART,1.000 IN. DIA BETWEEN CENTERS,COUNTER-BORED 0.359 IN. EACH;HOLES ARE DESIGN-ED TO ACCOMODATE SCREW,CAP SOCKET HEADTHROUGH EACH,TO FASTEN INTO BASE ASSEMBLY;BOLTS NOT INCLUDED WITH ITEM,BUT PRESENT WITH NEXT HIGHER ASSEMBLY | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.125 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
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