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NSN 5305-01-287-1588

High Torque Screw

About this product

Two keyways along threads 180 degrees apart; width of keyways 0.040 in. Min. To 0.050 in. Max.

Manufacturer part number CA21062-08-2-8 for national stock number 5305012871588.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-287-1588.

  • MPN or Model

    CA21062-08-2-8

  • 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
    0.338 inches
  • Fastener Length
    0.500 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.306 inches and 0.322 inches
  • Head Height
    Between 0.105 inches and 0.115 inches
  • Grip Diameter
    Between 0.1625 inches and 0.1635 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.164 inches
  • Grip Length
    0.062 inches
  • Thready Qty Per Inch (tpi)
    32
  • Material
    Steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 322 or steel comp 324 or steel comp 347
  • Material Specification
    Qq-s-763 federal specification all material responses
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unc
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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 5305012871588

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CA21062-08-2-8 Arconic Global Fasteners & Rings,
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