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NSN 5305-01-050-0503

High Torque Screw

About this product

Between 1.004 inches and 1.034 inches fastener length, flat countersunk head style, between 0.338 inches and 0.381 inches head diameter, grip diameter: between 0.2021 inches and 0.2026 inches .

Manufacturer part number ST3M496-3-11 for national stock number 5305010500503.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-050-0503.

  • MPN or Model

    ST3M496-3-11

  • 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 0.306 inches and 0.356 inches
  • Fastener Length
    Between 1.004 inches and 1.034 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.338 inches and 0.381 inches
  • Grip Diameter
    Between 0.2021 inches and 0.2026 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.678 inches and 0.698 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • 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 5305010500503

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ST3M496-3-11 Boeing Company, The
HT4008-3-11 Huck International, Inc.
HT4008-3-11 Hi-shear Corporation
HT4008-3-11 Sps Technologies, Llc
HT4008-3-11 Alcoa Global Fasteners, Inc.
HT4008-3-11 Lisi Aerospace Canada Corp
ST3M496-3-11 Sps Technologies, Llc
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