Product Details | MACHINE BOLT

5306-00-268-5856 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: 5306-00-268-5856, 00-268-5856, 5306002685856, 002685856

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 00-268-5856

Drawings & Photos | NSN 5306-00-268-5856


Cross Reference | NSN 5306-00-268-5856

Part Number Cage Code Manufacturer
AN103160 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FFB575 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5306-00-268-5856

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.000 INCHES MINIMUM
FASTENER LENGTH 5.900 INCHES MINIMUM AND 6.060 INCHES MAXIMUM
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 60000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
NONDEFINITIVE SPEC/STD DATA 2 TYPE
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY THD CLASS
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFB575

Restrictions/Controls & Freight Information | NSN 5306-00-268-5856

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