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NSN 5305-01-467-6664

High Torque Screw

About this product

Point of screw shall be flat and chamfered; heat treat 160-180 ksi ftu per ams 4928 or ams 4967; the offset cruciform recess diameter is 0.248 inch.

Manufacturer part number NAS1580V3T7D for national stock number 5305014676664.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-467-6664.

  • MPN or Model

    NAS1580V3T7D

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • 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
    0.3630 inches
  • Fastener Length
    Between 1.149 inches and 1.179 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.3813 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • End Application
    C-17a aircraft
  • Thread Diameter
    0.1900 inches
  • Grip Length
    Between 0.428 inches and 0.448 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    3180 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Titanium alloy uns r54520
  • Material Specification
    Ams4928 assn standard 1st material response or ams4967 assn standard 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 5305014676664

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1580V3T7D National Aerospace Standards
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