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NSN 5305-00-492-0317

High Torque Screw

About this product

Relief groove under head 0.040 in. Max lg by 0.151 in. Nom dia.

Manufacturer part number 974229-1 for national stock number 5305004920317.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-492-0317.

  • MPN or Model

    974229-1

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.290 inches and 0.330 inches
  • Fastener Length
    Between 1.070 inches and 1.090 inches
  • Head Style
    Hexagon countersunk
  • Head Height
    Between 0.120 inches and 0.140 inches
  • Width Between Flats
    0.312 inches
  • Grip Diameter
    Between 0.1604 inches and 0.1607 inches
  • Thread Diameter
    0.164 inches
  • Grip Length
    0.542 inches
  • Thready Qty Per Inch (tpi)
    32
  • Hardness Rating
    40.0 rockwell c and 47.0 rockwell c
  • Countersink Angle
    Between 58.0 degrees and 60.0 degrees
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 630
  • Material Specification
    Ams 5643 assn standard single material 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 5305004920317

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
974229-1 Honeywell International Inc.
974229-1 Honeywell International Inc.
974229-1 Honeywell International Inc.
974229-1 Honeywell International Inc.
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