Product Details | MACHINE BOLT

5306-00-273-6402 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.

Part Alternates: SC1136, 5306-00-273-6402, 00-273-6402, 5306002736402, 002736402

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 00-273-6402

Drawings & Photos | NSN 5306-00-273-6402


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Technical Data | NSN 5306-00-273-6402

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.375 INCHES MINIMUM
FASTENER LENGTH 0.594 INCHES NOMINAL
MATERIAL STEEL COMP 1213 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-633 B1113 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HARDNESS RATING 76.4 ROCKWELL B NOMINAL OVERALL
MINIMUM YIELD STRENGTH 57000 POUNDS PER SQUARE INCH
HEAD STYLE C13 SQUARE
HEAD HEIGHT 0.156 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.438 INCHES NOMINAL
FEATURES PROVIDED UNFINISHED HEAD

Restrictions/Controls & Freight Information | NSN 5306-00-273-6402

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information