Product Details | MACHINE BOLT

5306-00-281-5210 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: 915560, 5306-00-281-5210, 00-281-5210, 5306002815210, 002815210

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-281-5210

Drawings & Photos | NSN 5306-00-281-5210


Cross Reference | NSN 5306-00-281-5210

Part Number Cage Code Manufacturer
915560 12204 DAIMLER CHRYSLER

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Technical Data | NSN 5306-00-281-5210

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
FASTENER LENGTH 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM
MATERIAL STEEL COMP 1030 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1035 OR STEEL COMP 1040 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-631 FS1030 FED SPEC 1ST MATERIAL RESPONSE OR QQ0S0631 FS1037 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FS1038 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FS1035 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FS1040 FED SPEC 5TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
HARDNESS RATING 15.2 ROCKWELL C MINIMUM AND 25.4 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 0.093 INCHES MINIMUM AND 0.125 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.875 INCHES NOMINAL FIRST HOLE
FEATURES PROVIDED UNFINISHED HEAD

Restrictions/Controls & Freight Information | NSN 5306-00-281-5210

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