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NSN 5305-00-606-9469

High Torque Screw

About this product

Retaining element in shank.

Manufacturer part number NASM 21125 for national stock number 5305006069469.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-606-9469.

  • MPN or Model

    NASM 21125

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.277 inches and 0.328 inches
  • Fastener Length
    Between 3.043 inches and 3.063 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.477 inches and 0.492 inches
  • Head Height
    Between 0.126 inches and 0.141 inches
  • Grip Diameter
    Between 0.2487 inches and 0.2942 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.086 inches first hole
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 2.625 inches and 2.641 inches
  • Thready Qty Per Inch (tpi)
    28
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.948 inches and 2.968 inches first hole
  • Surface Finish
    32.0 microinches grip
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 630
  • Material Specification
    Ams 5643 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 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 5305006069469

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NASM 21125 National Aerospace Standards
AS116-04-42 Avibank Mfg., Inc.
MS21125-0442 National Aerospace Standards
MS21125-0442 Military Standards
CA2652-04-42 Arconic Global Fasteners & Rings,
AS116-04-42 Avibank Mfg., Inc.
CA2652-04-42 Arconic Global Fasteners & Rings,
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