Product Details | MACHINE BOLT

5306-00-180-2721 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: AN5H26, 5306-00-180-2721, 00-180-2721, 5306001802721, 001802721

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-180-2721

Drawings & Photos | NSN 5306-00-180-2721


Cross Reference | NSN 5306-00-180-2721

Part Number Cage Code Manufacturer
AN5H26 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
AN5H26 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

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Technical Data | NSN 5306-00-180-2721

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.532 INCHES MINIMUM
FASTENER LENGTH 2.844 INCHES NOMINAL
MATERIAL STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
HOLE CONFIGURATION STYLE E6 HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY 1
HOLE DIAMETER 0.070 INCHES NOMINAL
GRIP LENGTH 2.312 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 2.671 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.076 INCHES MINIMUM FIRST HOLE
FEATURES PROVIDED FINISHED HEAD

Restrictions/Controls & Freight Information | NSN 5306-00-180-2721

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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