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NSN 5305-01-241-2653

High Torque Screw

About this product

Furnished with rubber o-ring.

Manufacturer part number HT4067-4-18A for national stock number 5305012412653.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-241-2653.

  • MPN or Model

    HT4067-4-18A

  • 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
    Between 0.444 inches and 0.494 inches
  • Fastener Length
    Between 1.579 inches and 1.609 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.501 inches and 0.507 inches
  • Head Height
    Between 0.071 inches and 0.073 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 1.115 inches and 1.135 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    100.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material response
  • Surface Treatment
    Aluminum and chromate
  • Surface Treatment Specification
    Mil-c-83488 type 2 cl 3 military specification single treatment response
  • 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 5305012412653

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4067-4-18A Sps Technologies, Llc
3M925C4-18A Boeing Company, The
11881C4-18A Reid Products Inc.
3M925C4-18A Hi-shear Corporation
3M925C4-18A Lisi Aerospace Canada Corp
3M925C4-18A Heartland Precision Fasteners, Inc.
3M925C4-18A Huck International, Inc.
3M925C4-18A Valley-todeco, Inc.
3M925C4-18A Sps Technologies, Llc
3M925C4-18A Arconic Global Fasteners & Rings,
3M925C4-18A Houston Precision Fasteners I, Lp
3M925C4-18A Sps Technologies, Llc
3M925C4-18A Alcoa Global Fasteners, Inc.
3M925C4-18A Sps Technologies, Llc
3M925C4-18A Fastener Innovation Technology, Inc.
3M925C4-18A Reid Products Inc.
3M925C4-18A West Coast Aerospace Inc
3M925C4-18A Sps Technologies Ltd Tj Brooks
3M925C4-18A Sps Technologies Inc
3M925C4-18A Tactair Fluid Controls, Inc.
642AS1631-6 Naval Air Systems Command
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