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NSN 5306-01-239-0583

Close Tolerance Hex Head Bolt

About this product

Between 1.202 inches and 1.232 inches fastener length, spline drive shear head head style, between 0.177 inches and 0.197 inches head height, grip diameter: between 0.3115 inches and 0.3120 inches .

Manufacturer part number ST3M747-5012 for national stock number 5306012390583.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-239-0583.

  • MPN or Model

    ST3M747-5012

  • 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 0.442 inches and 0.492 inches
  • Fastener Length
    Between 1.202 inches and 1.232 inches
  • Head Style
    Spline drive shear head
  • Head Height
    Between 0.177 inches and 0.197 inches
  • Grip Diameter
    Between 0.3115 inches and 0.3120 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.081 inches first hole
  • Head Minor Diameter
    0.512 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.740 inches and 0.760 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.078 inches first hole and 1.118 inches first hole
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification 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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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M747-5012 Boeing Company, The
VCG0002-5D12 Valley-todeco, Inc.
AIC688-5D12 Sps Technologies, Llc
PBF1266-5D12 Sps Technologies, Llc
MB155-5D12 Hi-shear Corporation
122896-5D12 Sps Technologies, Llc
VS3191-5D12 Arconic Global Fasteners & Rings,
SLB254-5D12 Space-lok, Inc.
S397-5D12 Huck International, Inc.
MB155-5D12 Lisi Aerospace Canada Corp
GS1031-5D12 B & B Specialties Inc.
ST3M747-5D12 Houston Precision Fasteners I, Lp
ST3M747-5D12 Fastener Innovation Technology, Inc.
ST3M747-5D12 Boeing Company, The
ST3M747-5D12 Heartland Precision Fasteners, Inc.
S397-5D12 Huck Intl Inc
VS3191-5D12 Alcoa Global Fasteners, Inc.
ST3M747-5D12 Alcoa Global Fasteners, Inc.
ST3M747-5D12 M.s. Aerospace Inc.
Stock Check
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