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NSN 5305-00-508-7703

High Torque Screw

About this product

Between 1.823 inches and 1.853 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 LS15234-3-25 for national stock number 5305005087703.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-508-7703.

  • MPN or Model

    LS15234-3-25

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.251 inches and 0.301 inches
  • Fastener Length
    Between 1.823 inches and 1.853 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
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 1.552 inches and 1.572 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp e4340 or steel comp 8740
  • Material Specification
    Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams6322 assn standard 2nd material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 class 2 federal specification 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 5305005087703

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
LS15234-3-25 Lockheed Martin Corporation
LS15234-3-25 Lockheed Martin Corporation
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