Product Details | MACHINE BOLT

5306-00-831-6668 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: NAS100818, NAS1008-18, 5306-00-831-6668, 00-831-6668, 5306008316668, 008316668

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 13 SEP 1967 00-831-6668

Drawings & Photos | NSN 5306-00-831-6668


Cross Reference | NSN 5306-00-831-6668

Part Number Cage Code Manufacturer
NAS1008-18 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5306-00-831-6668

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.842 INCHES MINIMUM
FASTENER LENGTH 1.967 INCHES NOMINAL
MATERIAL IRON ALLOY 660 OR IRON ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5733 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 140000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.281 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.741 INCHES MINIMUM AND 0.751 INCHES MAXIMUM
GRIP LENGTH 1.125 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.734 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.106 INCHES NOMINAL FIRST HOLE
FEATURES PROVIDED FINISHED HEAD
SPECIFICATION/STANDARD DATA 80205-NAS1008 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5306-00-831-6668

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