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NSN 5305-00-612-3659

High Torque Screw

About this product

Retaining element in threads.

Manufacturer part number 202-15501-16 for national stock number 5305006123659.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-612-3659.

  • MPN or Model

    202-15501-16

  • 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
    Between 0.293 inches and 0.328 inches
  • Fastener Length
    Between 1.418 inches and 1.438 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.449 inches and 0.502 inches
  • Locking Feature
    Detent ball grip
  • 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
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 1.110 inches and 1.125 inches
  • Thready Qty Per Inch (tpi)
    28
  • Hardness Rating
    40.0 rockwell c and 45.0 rockwell c
  • Countersink Angle
    100.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    1.323 inches first hole and 1.343 inches first hole
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel comp 8740 or steel comp e4340 or steel comp 4340
  • Surface Treatment
    Cadmium head and chromate head
  • Surface Treatment Specification
    Qq-p-416, ty2 cl3 federal specification single treatment response head
  • 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 5305006123659

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
202-15501-16 Triumph Aerostructures, Llc
CA4750-04-16 Arconic Global Fasteners & Rings,
AS-111-04-16 Avibank Mfg., Inc.
Stock Check
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