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NSN 5305-01-445-7645

High Torque Screw

About this product

Dry film lubricant threads only.

Manufacturer part number 03A416-4-11L for national stock number 5305014457645.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-445-7645.

  • MPN or Model

    03A416-4-11L

  • Schedule B
    8105.90.0000 (Cobalt, wrought, and articles thereof)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.403 inches
  • Fastener Length
    Between 1.075 inches and 1.105 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.502 inches and 0.511 inches
  • Grip Diameter
    Between 0.2490 inches and 0.2495 inches
  • Single Shear Strength
    132000 pounds per square inch
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.677 inches and 0.697 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    240000 pounds per square inch
  • Countersink Angle
    Between 129.0 degrees and 131.0 degrees
  • Material
    Cobalt comp mp-35-n
  • Material Specification
    Ams 5844 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 5305014457645

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
03A416-4-11L Northrop Grumman Systems Corporation
PBF1571-4-11L Sps Technologies, Llc
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