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NSN 5305-01-482-1620

High Torque Screw

About this product

1.391 inches fastener length, flat fillister head style, between 0.615 inches and 0.625 inches head diameter, head height: between 0.221 inches and 0.248 inches .

Manufacturer part number NAS1127-15 for national stock number 5305014821620.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-482-1620.

  • MPN or Model

    NAS1127-15

  • 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
    0.453 inches
  • Fastener Length
    1.391 inches
  • Head Style
    Flat fillister
  • Head Diameter
    Between 0.615 inches and 0.625 inches
  • Head Height
    Between 0.221 inches and 0.248 inches
  • Grip Diameter
    Between 0.436 inches and 0.437 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.437 inches
  • Grip Length
    0.938 inches
  • Thready Qty Per Inch (tpi)
    20
  • Material
    Steel comp 4140 or steel comp e4340 or steel comp 8740
  • Material Specification
    Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, ty ii, cl 2 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 5305014821620

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1127-15 National Aerospace Standards
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