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NSN 5305-01-338-3142

High Torque Screw

About this product

Between 0.855 inches and 0.885 inches fastener length, pan head style, between 0.464 inches and 0.488 inches head diameter, head height: between 0.133 inches and 0.150 inches .

Manufacturer part number NAS2844T8PT for national stock number 5305013383142.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-338-3142.

  • MPN or Model

    NAS2844T8PT

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.370 inches
  • Fastener Length
    Between 0.855 inches and 0.885 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.464 inches and 0.488 inches
  • Head Height
    Between 0.133 inches and 0.150 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.490 inches and 0.510 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Titanium alloy uns r56400
  • Material Specification
    Ams4971 assn standard single material response
  • Surface Treatment
    Aluminum
  • Surface Treatment Specification
    Nas4006 assn standard single treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas2844 professional/industrial association standard
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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 5305013383142

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS2844T8PT National Aerospace Standards
NAS2844T8PT National Aerospace Standards
NAS2844T8PT National Aerospace Standards
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