NSN 5306-01-337-3264
Close Tolerance Hex Head Bolt
Hole drilled in top center of head-0.470/0.519 in dia x 0.180 in nom deep.
Manufacturer part number MS21297H10025 for national stock number 5306013373264.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-337-3264.
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MPN or Model
MS21297H10025
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
1.005 inches -
Fastener Length
Between 2.567 inches and 2.597 inches -
Head Style
Spline extended washer -
Head Height
Between 0.552 inches and 0.572 inches -
Extended Washer Diameter
Between 1.153 inches and 1.163 inches -
Extended Washer Thickness
Between 0.080 inches and 0.100 inches -
Hole Diameter
Between 0.050 inches and 0.060 inches -
Grip Diameter
Between 0.623 inches and 0.624 inches -
Head Minor Diameter
Between 0.673 inches and 0.688 inches -
End Application
Pacer dawn -
Thread Diameter
0.6250 inches -
Grip Length
Between 1.552 inches and 1.572 inches -
Hole Quantity
4 -
Hole Type
Drilled -
Thready Qty Per Inch (tpi)
18 -
Hardness Rating
46.0 rockwell c and 50.0 rockwell c -
Hole Configuration Style
Spline -
Surface Finish
32.0 microinches grip -
Material
Steel -
Material Specification
Ams 6487 assn standard single material response -
Surface Treatment
Cadmium -
Surface Treatment Specification
Mil-c-8837, type ii, class 2 military specification single treatment response -
Thread Series Designator
Unjf
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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.
![Mechanic Bill explains Close Tolerance Hex Head Bolt](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5306-01-337-3264 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
MS21297H10025 | Military Standards |
Stock Check
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