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NSN 5306-01-481-9309

Close Tolerance Hex Head Bolt

About this product

Between 1.259 inches and 1.289 inches fastener length, spline extended washer head style, 0.205 inches head height, extended washer diameter: between 0.349 inches and 0.359 inches .

Manufacturer part number ST3M753-3-14 for national stock number 5306014819309.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-481-9309.

  • MPN or Model

    ST3M753-3-14

  • 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
    0.399 inches
  • Fastener Length
    Between 1.259 inches and 1.289 inches
  • Head Style
    Spline extended washer
  • Head Height
    0.205 inches
  • Extended Washer Diameter
    Between 0.349 inches and 0.359 inches
  • Extended Washer Thickness
    0.027 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Head Minor Diameter
    Between 0.235 inches and 0.250 inches
  • End Application
    F18 e/f
  • Thread Diameter
    0.190 inches
  • Grip Length
    0.875 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    220000 pounds per square inch
  • Criticality Code Justification
    Agav
  • 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 5306014819309

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M753-3-14 Boeing Company, The
AIC763-3-14 Sps Technologies, Llc
PBF1267-3-14 Sps Technologies, Llc
MB156-3-14 Hi-shear Corporation
122897-3-14 Sps Technologies, Llc
VS3190-3-14 Alcoa Global Fasteners, Inc.
MB156-3-14 Lisi Aerospace Canada Corp
S343-3-14 Huck Intl Inc
VFK600-3-14 Valley-todeco, Inc.
11829-3-14 Reid Products Inc.
VS3190-3-14 Arconic Global Fasteners & Rings,
HP7753-3-14 Heartland Precision Fasteners, Inc.
S343-3-14 Huck International, Inc.
SLB255-3-14 Space-lok, Inc.
GS1032-3-14 B & B Specialties Inc.
122897-3-14 Sps Technologies, Llc
ST3M753-3-14 Fastener Innovation Technology, Inc.
ST3M753-3-14 Houston Precision Fasteners I, Lp
Stock Check
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