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NSN 5305-01-422-0740

High Torque Screw

About this product

1.056 inches fastener length, flat countersunk undercut head style, 0.464 inches head diameter, head height: 0.111 inches .

Manufacturer part number NAS1580A4R13D for national stock number 5305014220740.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-422-0740.

  • MPN or Model

    NAS1580A4R13D

  • 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
    0.403 inches
  • Fastener Length
    1.056 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    0.464 inches
  • Head Height
    0.111 inches
  • Grip Diameter
    Between 0.264 inches and 0.265 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    0.653 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    100.0 degrees
  • Material
    Steel comp 4140 or steel comp 4340
  • Material Specification
    Mil-s-5626 military specification single material response or mil-s-5000 military specification single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • 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 5305014220740

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
NAS1580A4R13D National Aerospace Standards
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