Product Details | MACHINE BOLT

5306-00-131-7166 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: 7571821P1, 5306-00-131-7166, 00-131-7166, 5306001317166, 001317166

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 30 DEC 1968 00-131-7166

Drawings & Photos | NSN 5306-00-131-7166


Cross Reference | NSN 5306-00-131-7166

Part Number Cage Code Manufacturer
7571821P1 99971 LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE

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Technical Data | NSN 5306-00-131-7166

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.500 INCHES MINIMUM
FASTENER LENGTH 0.750 INCHES NOMINAL
MATERIAL STEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 6150 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
HEAD STYLE C10 DOUBLE HEXAGON WITH HOLE
HEAD HEIGHT 0.300 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
EXTENDED WASHER DIAMETER 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
EXTENDED WASHER THICKNESS 0.069 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
MANUFACTURERS CODE 99971
DESIGN CONTROL REFERENCE 7571821P1

Restrictions/Controls & Freight Information | NSN 5306-00-131-7166

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