Product Details | CLOSE TOLERANCE BOLT

5306-01-573-4408 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: NAS1131E4P, 5306-01-573-4408, 01-573-4408, 5306015734408, 015734408

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 22 APR 2009 01-573-4408

Cross Reference | NSN 5306-01-573-4408

Part Number Cage Code Manufacturer
NAS1131E4P 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5306-01-573-4408

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
THREAD DIRECTION RIGHT-HAND
GRIP DIAMETER 0.1361 INCHES MINIMUM AND 0.1367 INCHES MAXIMUM
HEAD DIAMETER 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLE FLAT CHAMFER
THREAD QUANTITY PER INCH 32
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
SPECIAL FEATURES TYPE II PLATING
NOMINAL THREAD DIAMETER 0.138 INCHES
SURFACE FINISH 32.0 MICROINCHES THREADS
HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD
MATERIAL IRON ALLOY 660 OVERALL
THREAD LENGTH 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
FASTENER LENGTH 0.851 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
HEAD HEIGHT 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES GRIP
GRIP LENGTH 0.250 INCHES NOMINAL
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5306-01-573-4408

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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