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NSN 5305-01-576-3567

High Torque Screw

About this product

1.113 inches fastener length, flat countersunk head style, between 0.464 inches and 0.506 inches head diameter, grip diameter: 0.189 inches.

Manufacturer part number NAS1790-4R11 for national stock number 5305015763567.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-576-3567.

  • MPN or Model

    NAS1790-4R11

  • 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
    0.425 inches
  • Fastener Length
    1.113 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.464 inches and 0.506 inches
  • Grip Diameter
    0.189 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • End Application
    Nimrod mra4; nimrod 2000; air reconnaissance
  • Thread Diameter
    0.250 inches
  • Grip Length
    0.688 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Bolt, 100 degree flush head, 160, 000 psi uts
  • Material
    Steel comp 4140 or steel comp 4340 or steel comp 8740
  • Material Specification
    Mil-s-5626, unsg41400 military specification 1st material response or ams6415, e4340 (uns g43400) assn standard 2nd material response or mil-s-5000, e4340 (uns g43406) military specification 3rd material response or mil-s-6049, uns g87400 military specification 4th material response
  • Surface Treatment
    Cadmium
  • 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 5305015763567

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1790-4R11 National Aerospace Standards
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