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NSN 5305-01-471-9389

High Torque Screw

About this product

Between 0.675 inches and 0.713 inches fastener length, pan head style, between 0.357 inches and 0.373 inches head diameter, head height: between 0.122 inches and 0.133 inches .

Manufacturer part number NAS7903A6 for national stock number 5305014719389.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-471-9389.

  • MPN or Model

    NAS7903A6

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.323 inches
  • Fastener Length
    Between 0.675 inches and 0.713 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.357 inches and 0.373 inches
  • Head Height
    Between 0.122 inches and 0.133 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • End Application
    Support or pre-provisioning items for which navicp-phil acts as poe
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.365 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    32
  • Criticality Code Justification
    Agav
  • Part Name Assigned By Controlling Agency
    Bolt, pan head, close tolerance, short thread, cruciform recess, titanium alloy gal-4v, self-locking and nonlocking
  • Material
    Titanium alloy uns r56400
  • Material Specification
    Ams 4928 assn standard 1st material response or ams 4967 assn standard 2nd material response
  • Surface Treatment
    Aluminum
  • Surface Treatment Specification
    Nas 4006 assn standard 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 5305014719389

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS7903A6 National Aerospace Standards
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