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NSN 5306-01-136-5746

Close Tolerance Hex Head Bolt

About this product

Between 2.471 inches and 2.491 inches fastener length, spline drive shear head head style, between 0.340 inches and 0.360 inches head height, width between flats: between 0.970 inches and 0.978 inches .

Manufacturer part number ST3M744-10D31 for national stock number 5306011365746.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-136-5746.

  • MPN or Model

    ST3M744-10D31

  • 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.)
    0.2 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.523 inches and 0.563 inches
  • Fastener Length
    Between 2.471 inches and 2.491 inches
  • Head Style
    Spline drive shear head
  • Head Height
    Between 0.340 inches and 0.360 inches
  • Width Between Flats
    Between 0.970 inches and 0.978 inches
  • Grip Diameter
    Between 0.6235 inches and 0.6240 inches
  • Thread Diameter
    0.625 inches
  • Grip Length
    Between 1.928 inches and 1.948 inches
  • Thready Qty Per Inch (tpi)
    18
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.346 inches all holes and 2.376 inches all holes
  • 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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NSN 5306011365746

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M744-10D31 Boeing Company, The
S406-10D31 Huck International, Inc.
VCG0001-10D31 Valley-todeco, Inc.
AIC687-10D31 Sps Technologies, Llc
PBF1265-10D31 Sps Technologies, Llc
122895-10D31 Sps Technologies, Llc
VS3174-10D31 Arconic Global Fasteners & Rings,
ST3M744-10D31 Heartland Precision Fasteners, Inc.
SLB748-10D31 Space-lok, Inc.
VS3174-10D31 Huck International, Inc.
GS1015-10D31 B & B Specialties Inc.
ST3M744-10D31 Houston Precision Fasteners I, Lp
122895--10D31 Sps Technologies, Llc
ST3M744-10D31 Fastener Innovation Technology, Inc.
11823-10D31 Reid Products Inc.
WC744-10D31 West Coast Aerospace Inc
S406-10D31 Huck Intl Inc
MB154-10D31 Hi-shear Corporation
VS3174-10D31 Alcoa Global Fasteners, Inc.
10115955 Nimikkeistokeskus Ncb Finland
Stock Check
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