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NSN 5305-01-504-0086

High Torque Screw

About this product

1.838 inches fastener length, flat countersunk head style, 0.085 inches head diameter, internal drive style: recessed type i.

Manufacturer part number NAS1973-24H for national stock number 5305015040086.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-504-0086.

  • MPN or Model

    NAS1973-24H

  • Schedule B
    7616.10.6000 (Threaded fasteners of aluminum)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.338 inches
  • Fastener Length
    1.838 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.085 inches
  • Internal Drive Style
    Recessed type i
  • Thread Diameter
    0.1900 inches
  • Grip Length
    1.500 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    100.0 degrees
  • Material
    Aluminum alloy
  • Material Specification
    Mil-s-5626 military specification 2nd material 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 5305015040086

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1973-24H National Aerospace Standards
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