Product Details | MACHINE BOLT

5306-00-286-0878 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: 5306-00-286-0878, 00-286-0878, 5306002860878, 002860878

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-286-0878

Drawings & Photos | NSN 5306-00-286-0878


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Technical Data | NSN 5306-00-286-0878

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.750 INCHES MINIMUM
FASTENER LENGTH 4.000 INCHES NOMINAL
MATERIAL STEEL OVERALL
HEAD STYLE C13 SQUARE
HEAD HEIGHT 0.188 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.375 INCHES NOMINAL
GRIP LENGTH 3.250 INCHES NOMINAL
FEATURES PROVIDED UNFINISHED HEAD AND HEX NUT

Restrictions/Controls & Freight Information | NSN 5306-00-286-0878

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