Product Details | MACHINE BOLT

5306-01-515-6686 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: AN473A, AN4-73A, 5306-01-515-6686, 01-515-6686, 5306015156686, 015156686

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 03 DEC 2003 01-515-6686

Drawings & Photos | NSN 5306-01-515-6686


Demand History | NSN 5306-01-515-6686

Part Number Request Date QTY Origin
AN473A 2021-04-99 25 United States
AN473A 2020-09-256 50 United States
AN473A 2016-07-209 4 United States
AN4-73A 2014-05-142 25 United States
AN473A 2009-06-175 25 ZA

Cross Reference | NSN 5306-01-515-6686

Part Number Cage Code Manufacturer
AN4-73A 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

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Technical Data | NSN 5306-01-515-6686

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 0.468 INCHES NOMINAL
FASTENER LENGTH 7.406 INCHES NOMINAL
MATERIAL STEEL OVERALL
MINIMUM TENSILE STRENGTH 40000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 3130 POUNDS PER SQUARE INCH
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
GRIP LENGTH 6.938 INCHES NOMINAL
GRIP DIAMETER 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN4-73A

Restrictions/Controls & Freight Information | NSN 5306-01-515-6686

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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.
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