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NSN 5305-01-439-5662

High Torque Screw

About this product

1.737 inches fastener length, flat countersunk head style, between 0.470 inches and 0.477 inches head diameter, head height: 0.110 inches .

Manufacturer part number TX1026C4-21AF for national stock number 5305014395662.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-439-5662.

  • MPN or Model

    TX1026C4-21AF

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.425 inches
  • Fastener Length
    1.737 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.470 inches and 0.477 inches
  • Head Height
    0.110 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Cross recess type ia
  • Thread Diameter
    0.250 inches
  • Grip Length
    1.312 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    100.0 degrees
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Nickel alloy 718
  • Material Specification
    Mda23-118, cage76301 mfr ref single material response
  • Surface Treatment
    Aluminum
  • 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 5305014395662

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
TX1026C4-21AF Sps Technologies Inc
TX1026C4-21AF Alcoa Fastening Systems
TX1026C4-21AF Arconic Global Fasteners & Rings,
3M1169C4-21AF Boeing Company, The
TX1026C4-21AF Sps Technologies, Llc
TX1026C4-21AF Sps Technologies, Llc
TX1026C4-21AF Sps Technologies, Llc
11827C4-21AF Reid Products Inc.
TX1026C4-21AF Hi-shear Corporation
TX1026C4-21AF Sps Technologies, Llc
3M1169C4-21AF Alcoa Global Fasteners, Inc.
TX1026C4-21AF Lisi Aerospace Canada Corp
3M1169C4-21AF Heartland Precision Fasteners, Inc.
3M1169C4-21AF Huck International, Inc.
3M1169C4-21AF Valley-todeco, Inc.
3M1169C4-21AF B & B Specialties Inc.
3M1169C4-21AF Houston Precision Fasteners I, Lp
3M1169C4-21AF Fastener Innovation Technology, Inc.
3M1169C4-21AF Reid Products Inc.
3M1169C4-21AF West Coast Aerospace Inc
TX1026C4-21AF Alcoa Global Fasteners, Inc.
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