Product Details | MACHINE BOLT

5306-00-266-0249 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: FFB571AMEND1CLASSBSTEELTYPEA1NUT, 5306-00-266-0249, 00-266-0249, 5306002660249, 002660249

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-266-0249

Drawings & Photos | NSN 5306-00-266-0249


Cross Reference | NSN 5306-00-266-0249

Part Number Cage Code Manufacturer
FFB571AMEND1CLASSBSTEELTYPEA1NUT 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5306-00-266-0249

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.875 INCHES
THREAD QUANTITY PER INCH 9
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.938 INCHES MINIMUM
FASTENER LENGTH 3.000 INCHES NOMINAL
MATERIAL STEEL OVERALL
MINIMUM YIELD STRENGTH 30000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 1.584 INCHES NOMINAL
COUNTERSINK ANGLE 78.0 DEGREES NOMINAL
FEATURES PROVIDED UNFINISHED HEAD
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFB571AMEND1CLASSBSTEELTYPEA1NUT

Restrictions/Controls & Freight Information | NSN 5306-00-266-0249

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information