1-321-802-5889

NSN 5305-01-125-1205

High Torque Screw

About this product

Between 1.489 inches and 1.519 inches fastener length, flat countersunk head style, between 0.449 inches and 0.507 inches head diameter, grip diameter: between 0.2481 inches and 0.2487 inches .

Manufacturer part number LS15266V4-19 for national stock number 5305011251205.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-125-1205.

  • MPN or Model

    LS15266V4-19

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.291 inches and 0.341 inches
  • Fastener Length
    Between 1.489 inches and 1.519 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.449 inches and 0.507 inches
  • Grip Diameter
    Between 0.2481 inches and 0.2487 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 1.178 inches and 1.198 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
  • Surface Finish
    32.0 microinches threads
  • Material
    Titanium alloy uns r54520
  • Material Specification
    Nas 621 assn standard single material response
  • Thread Series Designator
    Unjf
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 5305011251205

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
LS15266V4-19 Lockheed Martin Corporation
LS15266 Lockheed Martin Corp
LS15266V4-19 Sps Technologies, Llc
LS15266V4-19 Valley-todeco, Inc.
LS15266V4-19 Arconic Global Fasteners & Rings,
LS15266V4-19 Huck International, Inc.
LS15266V4-19 Sps Technologies, Llc
LS15266V4-19 Sps Technologies, Llc
LS15266V4-19 Alcoa Global Fasteners, Inc.
Stock Check
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