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NSN 5305-01-334-6331

High Torque Screw

About this product

Between 1.560 inches and 1.580 inches fastener length, hexagon head style, slot internal drive style, thread diameter: 0.190 inches.

Manufacturer part number MS21125B319 for national stock number 5305013346331.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-334-6331.

  • MPN or Model

    MS21125B319

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Fastener Length
    Between 1.560 inches and 1.580 inches
  • Head Style
    Hexagon
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.190 inches
  • Thready Qty Per Inch (tpi)
    32
  • Material
    Steel comp xm-13
  • 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 5305013346331

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21125B319 National Aerospace Standards
MS21125B319 Military Standards
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