Product Details | MACHINE BOLT

5306-01-107-6581 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: AN4DDH40A, 5306-01-107-6581, 01-107-6581, 5306011076581, 011076581

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 11 FEB 1981 01-107-6581

Drawings & Photos | NSN 5306-01-107-6581


Demand History | NSN 5306-01-107-6581

Part Number Request Date QTY Origin
5306-01-107-6581 2009-10-280 500 US

Cross Reference | NSN 5306-01-107-6581

Part Number Cage Code Manufacturer
AN4DDH40A 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

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Technical Data | NSN 5306-01-107-6581

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.469 INCHES NOMINAL
FASTENER LENGTH 4.047 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
HOLE CONFIGURATION STYLE E6 HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY 1
HOLE DIAMETER 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM
GRIP LENGTH 3.546 INCHES MINIMUM AND 3.578 INCHES MAXIMUM
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN4DDH40A

Restrictions/Controls & Freight Information | NSN 5306-01-107-6581

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