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NSN 5305-01-521-9497

High Torque Screw

About this product

1.312 inches fastener length, flat countersunk head style, between 0.386 inches and 0.395 inches head diameter, spline major diameter: 0.155 inches .

Manufacturer part number 3M1262C4-16-5A for national stock number 5305015219497.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-521-9497.

  • MPN or Model

    3M1262C4-16-5A

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • 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
    0.312 inches
  • Fastener Length
    1.312 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.386 inches and 0.395 inches
  • Spline Major Diameter
    0.155 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Torx
  • Thread Diameter
    0.250 inches
  • Grip Length
    1.000 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Bolt, 100 degree reduced head, gear drive recess, special thread length, inconel 718 9125 ksi shear)
  • Material
    Nickel alloy 718
  • Material Specification
    23-118.Type f mfr ref single material response
  • Surface Treatment
    Passivate
  • Thread Series Designator
    Unjf
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Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305015219497

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M1262C4-16-5A Boeing Company, The
TX1024C4-16-5A Sps Technologies, Llc
TX1024C4-16-5A Arconic Global Fasteners & Rings,
TX1034C4-16-5A Sps Technologies, Llc
TX1024C4-16-5A Sps Technologies, Llc
TX1024C4-16-5A Hi-shear Corporation
TX1024C4-16-5A Sps Technologies, Llc
TX1024C4-16-5A Alcoa Fastening Systems
TX1024C4-16-5A Lisi Aerospace Canada Corp
TX1024C4-16-5A Sps Technologies Inc
Stock Check
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