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NSN 5305-01-525-4942

High Torque Screw

About this product

0.784 inches fastener length, flat countersunk undercut head style, 0.226 inches head diameter, head height: 0.039 inches .

Manufacturer part number NAS8602-8 for national stock number 5305015254942.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-525-4942.

  • MPN or Model

    NAS8602-8

  • 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
  • Thread Length
    0.323 inches
  • Fastener Length
    0.784 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    0.226 inches
  • Head Height
    0.039 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
    Between 0.490 inches and 0.510 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp 4340 or steel comp 8740
  • Material Specification
    Ams-s-5000 assn standard 1st material response or ams6415 assn standard 2nd material response or ams6322 assn standard 3rd material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, class 2 federal specification single treatment response
  • Thread Series Designator
    Unjc
  • Specification Data
    80205-nas8602 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 5305015254942

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS8602-8 National Aerospace Standards
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