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NSN 5305-01-192-1429

High Torque Screw

About this product

Between 4.124 inches and 4.144 inches fastener length, pan no. 2 head style, between 1.170 inches and 1.190 inches head diameter, head height: between 0.300 inches and 0.320 inches .

Manufacturer part number HT4073-12D57 for national stock number 5305011921429.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-192-1429.

  • MPN or Model

    HT4073-12D57

  • 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.)
    0.6 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.552 inches and 0.592 inches
  • Fastener Length
    Between 4.124 inches and 4.144 inches
  • Head Style
    Pan no. 2
  • Head Diameter
    Between 1.170 inches and 1.190 inches
  • Head Height
    Between 0.300 inches and 0.320 inches
  • Grip Diameter
    Between 0.7485 inches and 0.7490 inches
  • Shank Unthreaded Hole Diameter
    0.141 inches first hole and 0.146 inches first hole
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.750 inches
  • Grip Length
    Between 3.552 inches and 3.572 inches
  • Thready Qty Per Inch (tpi)
    16
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    3.999 inches first hole and 4.029 inches first hole
  • 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 5305011921429

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4073-12D57 Hi-shear Corporation
3M945-12D57 Boeing Company, The
HT4073-12D57 Sps Technologies, Llc
HT4073-12D57 Alcoa Global Fasteners, Inc.
HT4073-12D57 Lisi Aerospace Canada Corp
Stock Check
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