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NSN 5305-01-649-9709

High Torque Screw

About this product

1.219 inches fastener length, countersunk cylindrical convex head style, 0.249 inches grip diameter, single shear strength: 4650 pounds per square inch.

Manufacturer part number NAS334CA11-5 for national stock number 5305016499709.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-649-9709.

  • MPN or Model

    NAS334CA11-5

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.469 inches
  • Fastener Length
    1.219 inches
  • Head Style
    Countersunk cylindrical convex
  • Grip Diameter
    0.249 inches
  • Single Shear Strength
    4650 pounds per square inch
  • Head Major Diameter
    Between 0.497 inches and 0.507 inches
  • Internal Drive Style
    Hexagon
  • End Application
    1055-01-536-7106
  • Thread Diameter
    0.250 inches
  • Grip Length
    0.750 inches
  • Width Across Flats
    Between 0.157 inches and 0.159 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    5000 pounds per square inch
  • Countersink Angle
    100.0 degrees
  • Material
    Steel comp 4140 or steel comp 4340 or steel comp 8740
  • 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 5305016499709

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS334CA11-5 National Aerospace Standards
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