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NSN 5305-01-472-5295

High Torque Screw

About this product

Flat countersunk head style, between 0.447 inches and 0.507 inches head diameter, between 0.2485 inches and 0.2495 inches grip diameter, single shear strength: 132000 pounds per square inch.

Manufacturer part number PBF1570T4-33L for national stock number 5305014725295.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-472-5295.

  • MPN or Model

    PBF1570T4-33L

  • 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
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.447 inches and 0.507 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Single Shear Strength
    132000 pounds per square inch
  • Internal Drive Style
    Offset cruciform (torque set)
  • End Application
    Outboard mate
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 2.063 inches and 2.073 inches
  • Features Provided
    Dry film lubricant
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    240000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • 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 5305014725295

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
PBF1570T4-33L Sps Technologies, Llc
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