Product Details | MACHINE BOLT

5306-01-236-7083 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: MS921820, MS9218-20, 5306-01-236-7083, 01-236-7083, 5306012367083, 012367083

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 22 JUL 1986 01-236-7083

Drawings & Photos | NSN 5306-01-236-7083


Cross Reference | NSN 5306-01-236-7083

Part Number Cage Code Manufacturer
MS9218-20 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5306-01-236-7083

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
FASTENER LENGTH 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM
MATERIAL STEEL COMP 601 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT NICKEL AND CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C10 DOUBLE HEXAGON WITH HOLE
HEAD HEIGHT 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
EXTENDED WASHER DIAMETER 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
GRIP LENGTH 0.565 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
FEATURES PROVIDED FINISHED HEAD
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS9218-20

Restrictions/Controls & Freight Information | NSN 5306-01-236-7083

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:AItem does not contain precious metal
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