Product Details | CLOSE TOLERANCE BOLT

5306-01-332-0753 An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.

Part Alternates: MS2129707026, MS21297-07026, 5306-01-332-0753, 01-332-0753, 5306013320753, 013320753

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 03 JAN 1991 01-332-0753

Drawings & Photos | NSN 5306-01-332-0753


Cross Reference | NSN 5306-01-332-0753

Part Number Cage Code Manufacturer
MS21297-07026 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5306-01-332-0753

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.4375 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.778 INCHES NOMINAL
FASTENER LENGTH 2.388 INCHES MINIMUM AND 2.418 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-8837,TYPE II,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C11 SPLINE EXTENDED WASHER
HEAD HEIGHT 0.383 INCHES MINIMUM AND 0.403 INCHES MAXIMUM
EXTENDED WASHER DIAMETER 0.812 INCHES NOMINAL
EXTENDED WASHER THICKNESS 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD MINOR DIAMETER 0.485 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
GRIP LENGTH 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM
GRIP DIAMETER 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP
SPECIAL FEATURES HOLE IN CENTER OF HEAD 0.290/0.330 IN. DIA X 0.125 IN. NOMINAL DEEP
III END ITEM IDENTIFICATION PACER DAWN
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21297-07026

Restrictions/Controls & Freight Information | NSN 5306-01-332-0753

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: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