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NSN 5305-01-136-6121

High Torque Screw

About this product

Between 0.579 inches and 0.609 inches fastener length, fillister countersunk head style, between 0.390 inches and 0.395 inches head diameter, head height: between 0.070 inches and 0.074 inches .

Manufacturer part number HT4053-4-2A for national stock number 5305011366121.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-136-6121.

  • MPN or Model

    HT4053-4-2A

  • 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.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.444 inches and 0.494 inches
  • Fastener Length
    Between 0.579 inches and 0.609 inches
  • Head Style
    Fillister countersunk
  • Head Diameter
    Between 0.390 inches and 0.395 inches
  • Head Height
    Between 0.070 inches and 0.074 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.115 inches and 0.135 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 43.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp 8740
  • Material Specification
    Mil-s-6049 military specification single material response
  • Surface Treatment
    Aluminum and chromate
  • Surface Treatment Specification
    Mil-c-83488 ty2 cl3 military specification single treatment response
  • Thread Series Designator
    Unjf
More from these suppliers
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 5305011366121

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4053-4-2A Hi-shear Corporation
HT4053-4-2A Sps Technologies, Llc
HT4053-4-2A Arconic Global Fasteners & Rings,
ST3M740-4-2 Arconic Global Fasteners & Rings,
HT4035-4-2A Fastener Innovation Technology, Inc.
HT4053-4-2A West Coast Aerospace Inc
HT4053-4-2A Lisi Aerospace Canada Corp
HT4053-4-2A Huck Intl Inc
ST3M740-4L2 Boeing Company, The
HT4053-4-2A Sps Technologies Ltd Tj Brooks
HT4053-4-2A Alcoa Global Fasteners, Inc.
ST3M740-4-2 Alcoa Global Fasteners, Inc.
ST3M740-4-2 Boeing Company, The
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