Part Number: MS35309-303

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CONDITION:
NS
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M96906
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MAXIMUM
FASTENER LENGTH0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLEHEXAGON
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH
MATERIALCOPPER ALLOY 464 OVERALL OR COPPER ALLOY 462 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637,COMP 1 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-B-637,COMP 4 FED SPEC 2ND MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNC
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of .19 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.