Product Details | MACHINE BOLT

5306-00-261-2765 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: MILB857, 5306-00-261-2765, 00-261-2765, 5306002612765, 002612765

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 00-261-2765

Drawings & Photos | NSN 5306-00-261-2765


Cross Reference | NSN 5306-00-261-2765

Part Number Cage Code Manufacturer
3196729-3-8X1-2 80064 NAVAL SHIP SYSTEMS COMMAND
MILB857 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
SF131 3-8X 1-2 14541 CAMERON INTERNATIONAL CORPORATION DBA CAMERON ENERGY SERVICES DIV

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Technical Data | NSN 5306-00-261-2765

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.375 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
FASTENER LENGTH 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 95.0 ROCKWELL B MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
NONDEFINITIVE SPEC/STD DATA 2 TYPE AND C1 STYLE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILB857

Restrictions/Controls & Freight Information | NSN 5306-00-261-2765

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