Product Details | MACHINE BOLT

5306-01-503-0026 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: B18234B08090N, 5306-01-503-0026, 01-503-0026, 5306015030026, 015030026

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 27 NOV 2002 01-503-0026

Drawings & Photos | NSN 5306-01-503-0026


Cross Reference | NSN 5306-01-503-0026

Part Number Cage Code Manufacturer
B18234B08090N 80204 AMERICAN NATIONAL STANDARDS INSTITUTE, INCORPORATED

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Technical Data | NSN 5306-01-503-0026

Characteristic Specifications
THREAD SERIES DESIGNATOR M
NOMINAL THREAD DIAMETER 8.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS 1.25
EXTERNAL THREAD TOLERANCE CLASS 6G
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 78.1 MILLIMETERS NOMINAL
FASTENER LENGTH 90.0 MILLIMETERS NOMINAL
MATERIAL STEEL OVERALL
HEAD STYLE C7 HEXAGON EXTENDED WASHER
HEAD HEIGHT 8.5 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS 9.64 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM
EXTENDED WASHER DIAMETER 17.0 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS 1.2 MILLIMETERS MINIMUM
GRIP LENGTH 4.0 MILLIMETERS MAXIMUM
GRIP DIAMETER 7.04 MILLIMETERS MINIMUM AND 7.26 MILLIMETERS MAXIMUM

Restrictions/Controls & Freight Information | NSN 5306-01-503-0026

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