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NSN 5305-01-164-9729

High Torque Screw

About this product

Between 2.461 inches and 2.508 inches fastener length, flat countersunk head style, between 0.826 inches and 0.888 inches head diameter, grip diameter: between 0.7782 inches and 0.7784 inches .

Manufacturer part number SC1779-7-29D for national stock number 5305011649729.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-164-9729.

  • MPN or Model

    SC1779-7-29D

  • 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 0.639 inches and 0.706 inches
  • Fastener Length
    Between 2.461 inches and 2.508 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.826 inches and 0.888 inches
  • Grip Diameter
    Between 0.7782 inches and 0.7784 inches
  • Shank Unthreaded Hole Diameter
    0.096 inches first hole and 0.116 inches first hole
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.438 inches
  • Grip Length
    Between 1.802 inches and 1.822 inches
  • Thready Qty Per Inch (tpi)
    20
  • Min. Tensile Strength (psi)
    220000 pounds per square inch
  • Hardness Rating
    46.0 rockwell c and 50.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.153 inches first hole
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp h11
  • Material Specification
    Ams6487 assn standard single material response
  • Surface Treatment
    Cadmium or cadmium and chromate
  • Surface Treatment Specification
    Nas672 assn standard 1st treatment response or mil-c-8837, type 2, cl 3 military specification 2nd 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 5305011649729

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SC1779-7-29D Arconic Global Fasteners & Rings,
PBF1202-7-29D Sps Technologies, Llc
HR204-7-29D Hi-shear Corporation
106706T-7-29D Sps Technologies, Llc
HR204-7-29D Lisi Aerospace Canada Corp
GB510CE7-29D Northrop Grumman Systems Corporation
GB510FD7-29D Northrop Grumman Systems Corporation
106706T-7-29D Sps Technologies, Llc
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