NSN 5306-01-138-9551
Close Tolerance Hex Head Bolt
Retaining element in shank.
Manufacturer part number AS300-4-31 for national stock number 5306011389551.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-138-9551.
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MPN or Model
AS300-4-31
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.344 inches and 0.395 inches -
Fastener Length
Between 2.427 inches and 2.447 inches -
Head Style
Hexagon -
Head Height
Between 0.126 inches and 0.141 inches -
Width Between Flats
Between 0.430 inches and 0.439 inches -
Grip Diameter
Between 0.2487 inches and 0.2492 inches -
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole -
Thread Diameter
0.250 inches -
Grip Length
Between 1.937 inches and 1.953 inches -
Thready Qty Per Inch (tpi)
28 -
Distance From Head Largest Bearing Surface To Shank Hole Center
2.328 inches first hole -
Surface Finish
63.0 microinches grip -
Material
Steel comp xm-13 -
Material Specification
Ams 5629 assn standard single material response -
Surface Treatment
Passivate -
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 5306-01-138-9551 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
AS300-4-31 | Avibank Mfg., Inc. |
LB36-4-31 | Hi-shear Corporation |
LB36C4-31 | Hi-shear Corporation |
ST3M764C4-31 | Boeing Company, The |
10115972 | Nimikkeistokeskus Ncb Finland |
Stock Check
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