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NSN 5306-01-541-5239

Close Tolerance Hex Head Bolt

About this product

Wrenching element number 10; undrilled shank.

Manufacturer part number 3M1263-4-16 for national stock number 5306015415239.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-541-5239.

  • MPN or Model

    3M1263-4-16

  • 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
    0.468 inches
  • Fastener Length
    1.468 inches
  • Head Style
    Spline extended washer
  • Head Height
    0.250 inches
  • Extended Washer Diameter
    0.465 inches
  • Extended Washer Thickness
    0.036 inches
  • Grip Diameter
    0.249 inches
  • Head Minor Diameter
    0.250 inches
  • End Application
    Fighter aircraft (f18 e/f); arr list code
  • Thread Diameter
    0.250 inches
  • Grip Length
    1.000 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    8536 pounds per square inch
  • Part Name Assigned By Controlling Agency
    Inavy: bolt, close tolerance; drawing: bolt - close tolerance, spline drive, flange head (145 ksi fsu) cres
  • Material
    Stainless steel
  • Material Specification
    M+35 per ams 5758 or ams 5844 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Ams-qq-p-35 assn standard 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 5306015415239

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M1263-4-16 Boeing Company, The
PBF1626-4-16 Sps Technologies, Llc
93784-4-16 Sps Technologies, Llc
3M1263-4-16 Boeing Company, The
93784-4-16 Sps Technologies, Llc
PBF1626-4-16 Sps Technologies, Llc
3M1263-4-16 Boeing Company, The
PBF1626-4-16 Sps Technologies, Llc
93784-4-16 Sps Technologies, Llc
3M1263-4-16 Boeing Company, The
PBF1626-4-16 Sps Technologies, Llc
93784-4-16 Sps Technologies, Llc
3M1263-4-16 Boeing Company, The
PBF1626-4-16 Sps Technologies, Llc
93784-4-16 Sps Technologies, Llc
3M1263-4-16 Boeing Company, The
PBF1626-4-16 Sps Technologies, Llc
93784-4-16 Sps Technologies, Llc
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