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NSN 5305-01-023-9722

High Torque Screw

About this product

Plunger operated spring loaded retaining balls in threads.

Manufacturer part number MS21130-420 for national stock number 5305010239722.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-023-9722.

  • MPN or Model

    MS21130-420

  • 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 0.402 inches and 0.438 inches
  • Fastener Length
    Between 1.668 inches and 1.688 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.449 inches and 0.507 inches
  • Grip Diameter
    Between 0.2487 inches and 0.2492 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 1.250 inches and 1.266 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    90000 pounds per square inch
  • Minimum Yield Strength
    63000 pounds per square inch
  • Countersink Angle
    100.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.583 inches first hole and 1.599 inches first hole
  • Surface Finish
    32.0 microinches grip
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Iron alloy 660
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unjf
More from these suppliers
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 5305010239722

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21130-420 National Aerospace Standards
MS21130-420 Military Standards
CA2653-4-20 Arconic Global Fasteners & Rings,
AS124-4-20 Avibank Mfg., Inc.
CA2653-4-20 Arconic Global Fasteners & Rings,
AS124-4-20 Avibank Mfg., Inc.
Stock Check
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