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NSN 5306-01-502-4847

Close Tolerance Hex Head Bolt

About this product

One cotterpin hole,0.076/0.081 inch,drilled in shank tip 0.108/0.118 inch from end.

Manufacturer part number ST3M744-4D16 for national stock number 5306015024847.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-502-4847.

  • MPN or Model

    ST3M744-4D16

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.316 inches
  • Fastener Length
    Between 1.306 inches and 1.326 inches
  • Head Style
    Spline drive shear head
  • Head Height
    0.164 inches
  • Grip Diameter
    Between 0.422 inches and 0.446 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches fastener and 0.081 inches fastener
  • Head Minor Diameter
    Between 0.448 inches and 0.455 inches
  • End Application
    F18 e/f
  • Thread Diameter
    0.250 inches
  • Grip Length
    1.000 inches
  • Thready Qty Per Inch (tpi)
    28
  • Criticality Code Justification
    Agav
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.198 inches fastener and 1.208 inches fastener
  • Part Name Assigned By Controlling Agency
    Bolt-close tolerance, spline drive, cres (125 ksi fsu) drilled, short thread
  • 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 5306015024847

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M744-4D16 Boeing Company, The
VCG0001-4D16 Valley-todeco, Inc.
AIC687-4D16 Sps Technologies, Llc
VS3174-4D16 Arconic Global Fasteners & Rings,
PBF1265-4D16 Sps Technologies, Llc
ST3M744-4D16 Heartland Precision Fasteners, Inc.
122895-4D16 Sps Technologies, Llc
ST3M744-4D16 Fastener Innovation Technology, Inc.
122895-4D16 Sps Technologies Inc
VS3174-4D16 Huck International, Inc.
SLB748-4D16 Space-lok, Inc.
GS1015-4D16 B & B Specialties Inc.
122895-4D16 Sps Technologies, Llc
11823-4D16 Reid Products Inc.
VS3174-4D16 Alcoa Global Fasteners, Inc.
ST3M744-4D16 Houston Precision Fasteners I, Lp
WC744-4D16 West Coast Aerospace Inc
Stock Check
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