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NSN 5305-01-444-0025

High Torque Screw

About this product

0.948 inches fastener length, round wedge head style, between 0.296 inches and 0.331 inches head diameter, head height: 0.072 inches .

Manufacturer part number NAS7502U10 for national stock number 5305014440025.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-444-0025.

  • MPN or Model

    NAS7502U10

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093490 - Bolt/nut/screw/clips/fastener/etc
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.323 inches
  • Fastener Length
    0.948 inches
  • Head Style
    Round wedge
  • Head Diameter
    Between 0.296 inches and 0.331 inches
  • Head Height
    0.072 inches
  • Grip Diameter
    Between 0.1630 inches and 0.1635 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.164 inches
  • Grip Length
    0.625 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Iron alloy 660
  • Material Specification
    Ams5731 assn standard single material response or ams5737 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Nas4003 assn standard single treatment response
  • Thread Series Designator
    Unjc
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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 5305014440025

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS7502U10 National Aerospace Standards
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