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NSN 5305-01-437-1258

High Torque Screw

About this product

Between 1.501 inches and 1.531 inches fastener length, flat countersunk head style, between 0.704 inches and 0.762 inches head diameter, grip diameter: between 0.3731 inches and 0.3737 inches .

Manufacturer part number NAS1166E15L for national stock number 5305014371258.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-437-1258.

  • MPN or Model

    NAS1166E15L

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.578 inches
  • Fastener Length
    Between 1.501 inches and 1.531 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.704 inches and 0.762 inches
  • Grip Diameter
    Between 0.3731 inches and 0.3737 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 0.928 inches and 0.948 inches
  • Thready Qty Per Inch (tpi)
    24
  • 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
    Plastic polyamide locking feature
  • Material Specification
    Ams 4928 assn standard single material response fastener or ams 4967 assn standard single material response fastener
  • Surface Treatment
    Passivate fastener
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response fastener
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas1166 professional/industrial association standard
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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 5305014371258

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1166E15L National Aerospace Standards
Stock Check
Availability for this item was last checked on 04/05/21. The quantities and conditions available at the time were:
  • NE: 6