Product Details | MACHINE BOLT

5306-01-247-7599 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: MS2113405040, MS21134-05040, 5306-01-247-7599, 01-247-7599, 5306012477599, 012477599

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 12 JAN 1987 01-247-7599

Demand History | NSN 5306-01-247-7599

Part Number Request Date QTY Origin
MS2113405040 2025-12-356 65 United States

Cross Reference | NSN 5306-01-247-7599

Part Number Cage Code Manufacturer
MS21134-05040 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21134-05040 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5306-01-247-7599

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.3125 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.541 INCHES MINIMUM
FASTENER LENGTH 3.041 INCHES MINIMUM AND 3.071 INCHES MAXIMUM
MATERIAL STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 6150 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5620 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 4TH MATERIAL RESPONSE AND AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 11,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 11000 POUNDS PER SQUARE INCH
HEAD HEIGHT 0.266 INCHES MINIMUM AND 0.267 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
EXTENDED WASHER DIAMETER 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM
EXTENDED WASHER THICKNESS 0.036 INCHES MINIMUM AND 0.055 INCHES MAXIMUM
GRIP LENGTH 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5306-01-247-7599

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