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NSN 5305-01-391-7852

High Torque Screw

About this product

Dry ilm lubricant threads only.

Manufacturer part number PBF1571-4-15L for national stock number 5305013917852.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-391-7852.

  • MPN or Model

    PBF1571-4-15L

  • Schedule B
    8105.90.0000 (Cobalt, wrought, and articles thereof)
  • 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
    0.403 inches
  • Fastener Length
    1.341 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.503 inches and 0.511 inches
  • Grip Diameter
    Between 0.2490 inches and 0.2495 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    0.938 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 129.0 degrees and 131.0 degrees
  • Material
    Cobalt comp mp-35-n
  • Surface Treatment
    Passivate threads
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response threads
  • Thread Series Designator
    Unjf
More from these suppliers
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 5305013917852

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
PBF1571-4-15L Sps Technologies, Llc
125301-4-15L Sps Technologies, Llc
03A416-4-15L Northrop Grumman Systems Corporation
HR258-4-15L Hi-shear Corporation
HR258-4-15L Lisi Aerospace Canada Corp
03A416-4-15L Northrop Grumman Systems Corporation
PBF1571-4-15L Sps Technologies, Llc
03A416-4-15L Northrop Grumman Systems Corporation
HR258-4-15L Hi-shear Corporation
HR258-4-15L Lisi Aerospace Canada Corp
125301-4-15L Sps Technologies, Llc
PBF1571-4-15L Sps Technologies, Llc
03A416-4-15L Northrop Grumman Systems Corporation
HR258-4-15L Hi-shear Corporation
HR258-4-15L Lisi Aerospace Canada Corp
125301-4-15L Sps Technologies, Llc
PBF1571-4-15L Sps Technologies, Llc
03A416-4-15L Northrop Grumman Systems Corporation
HR258-4-15L Hi-shear Corporation
HR258-4-15L Lisi Aerospace Canada Corp
125301-4-15L Sps Technologies, Llc
Stock Check
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