Product Details | MACHINE BOLT

5306-01-281-7656 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: 5805351, 580535-1, 5306-01-281-7656, 01-281-7656, 5306012817656, 012817656

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 30 JUN 1988 01-281-7656

Drawings & Photos | NSN 5306-01-281-7656


Cross Reference | NSN 5306-01-281-7656

Part Number Cage Code Manufacturer
580535-1 3B150 RAYTHEON TECHNICAL SERVICES COMPANY LLC
580535-1 49956 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5306-01-281-7656

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 13
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 2.500 INCHES NOMINAL
FASTENER LENGTH 9.250 INCHES NOMINAL
MATERIAL STEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.312 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.875 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5306-01-281-7656

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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information