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NSN 5305-00-093-6688

High Torque Screw

About this product

Between 2.603 inches and 2.623 inches fastener length, flat chamfer head style, between 0.610 inches and 0.625 inches head diameter, head height: between 0.157 inches and 0.172 inches .

Manufacturer part number MS21125-0534 for national stock number 5305000936688.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-093-6688.

  • MPN or Model

    MS21125-0534

  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.306 inches and 0.357 inches
  • Fastener Length
    Between 2.603 inches and 2.623 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.610 inches and 0.625 inches
  • Head Height
    Between 0.157 inches and 0.172 inches
  • Locking Feature
    Detent ball fastener
  • Grip Diameter
    Between 0.3112 inches and 0.3117 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.086 inches first hole
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 2.125 inches and 2.141 inches
  • Thready Qty Per Inch (tpi)
    24
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.490 inches first hole and 2.510 inches first hole
  • Surface Finish
    32.0 microinches grip
  • 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 5305000936688

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21125-0534 National Aerospace Standards
CA2652-05-34 Arconic Global Fasteners & Rings,
MS21125-0534 Military Standards
AS116-05-34 Avibank Mfg., Inc.
Stock Check
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