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NSN 5305-01-378-3829

High Torque Screw

About this product

Between 0.761 inches and 0.791 inches fastener length, flat chamfer head style, between 0.221 inches and 0.226 inches head diameter, head height: 0.072 inches .

Manufacturer part number MIL-S-87114 for national stock number 5305013783829.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-378-3829.

  • MPN or Model

    MIL-S-87114

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.276 inches
  • Fastener Length
    Between 0.761 inches and 0.791 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.221 inches and 0.226 inches
  • Head Height
    0.072 inches
  • Grip Diameter
    0.211 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.138 inches
  • Grip Length
    Between 0.490 inches and 0.510 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Surface Finish
    32.0 microinches threads
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5737 assn standard single material response
  • Thread Series Designator
    Unjc
  • Specification Data
    80205-nas1121 professional/industrial association standard
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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 5305013783829

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MIL-S-87114 Military Specifications
NAS1121E8 National Aerospace Standards
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