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NSN 5306-00-958-8381

Close Tolerance Hex Head Bolt

About this product

Between 2.511 inches and 2.541 inches fastener length, double hexagon extended washer head style, 0.494 inches head height, width between flats: between 0.679 inches and 0.690 inches .

Manufacturer part number STSBG003A10U026 for national stock number 5306009588381.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-958-8381.

  • MPN or Model

    STSBG003A10U026

  • 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.)
    0.3 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.896 inches and 0.906 inches
  • Fastener Length
    Between 2.511 inches and 2.541 inches
  • Head Style
    Double hexagon extended washer
  • Head Height
    0.494 inches
  • Width Between Flats
    Between 0.679 inches and 0.690 inches
  • Extended Washer Diameter
    Between 1.040 inches and 1.050 inches
  • Extended Washer Thickness
    0.150 inches
  • Grip Diameter
    Between 0.6230 inches and 0.6240 inches
  • Thread Diameter
    0.625 inches
  • Grip Length
    Between 1.615 inches and 1.635 inches
  • Thready Qty Per Inch (tpi)
    18
  • Material
    Steel
  • Thread Series Designator
    Unjf
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Close Tolerance Bolt

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

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NSN 5306009588381

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
STSBG003A10U026 Lockheed Martin Corporation
LS5995-10-26 Lockheed Martin Corporation
STSBG003A10U026 Sps Technologies, Llc
STSBG003A10U026 Valley-todeco, Inc.
STSBG003A10U026 Sps Technologies, Llc
STSBG003A10U026 Sonic Industries Inc.
STSBG003A10U026 Sps Technologies, Llc
11699A10U026 Reid Products Inc.
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