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NSN 5306-00-493-4807

Close Tolerance Hex Head Bolt

About this product

Between 1.027 inches and 1.074 inches fastener length, double hexagon head style, 0.164 inches head height, width between flats: between 0.430 inches and 0.439 inches .

Manufacturer part number 68484-4-012 for national stock number 5306004934807.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-00-493-4807.

  • MPN or Model

    68484-4-012

  • 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 0.277 inches and 0.324 inches
  • Fastener Length
    Between 1.027 inches and 1.074 inches
  • Head Style
    Double hexagon
  • Head Height
    0.164 inches
  • Width Between Flats
    Between 0.430 inches and 0.439 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole
  • Thread Diameter
    0.250 inches
  • Grip Length
    0.750 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    132000 pounds per square inch
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    0.902 inches first hole and 0.934 inches first hole
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel comp h11
  • Surface Treatment
    Nickel and cadmium and chromate
  • Surface Treatment Specification
    Stsbs000 fscm 98895 mfr ref single treatment response
  • 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 5306004934807

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
68484-4-012 Sps Technologies, Llc
VAL23611-4DS012 Valley-todeco, Inc.
AIC2263A04D012 Sps Technologies, Llc
PBF1041A4D012 Sps Technologies, Llc
VS2978A04D012 Arconic Global Fasteners & Rings,
BM3200-4A012D Huck International, Inc.
STSBG000A04D012 Sonic Industries Inc.
11797A04D012 Reid Products Inc.
STSBG000A04D012 Lockheed Martin Corporation
BM3200-4A012D Huck Intl Inc
VS2978A04D012 Alcoa Global Fasteners, Inc.
68484-4-012 Sps Technologies, Llc
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