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NSN 5305-01-622-9662

High Torque Screw

About this product

Between 0.511 inches and 0.541 inches fastener length, pan head style, between 0.258 inches and 0.276 inches head diameter, head height: between 0.074 inches and 0.086 inches .

Manufacturer part number NAS1141E4 for national stock number 5305016229662.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-622-9662.

  • MPN or Model

    NAS1141E4

  • 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
    0.276 inches
  • Fastener Length
    Between 0.511 inches and 0.541 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.258 inches and 0.276 inches
  • Head Height
    Between 0.074 inches and 0.086 inches
  • Grip Diameter
    Between 0.1365 inches and 0.1375 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.1380 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Thready Qty Per Inch (tpi)
    32
  • Surface Finish
    32.0 microinches threads
  • Part Name Assigned By Controlling Agency
    Screw, machine, pan head, modified, close tolerance, short thread, offset cruciform
  • Material
    Iron alloy 660
  • Material Specification
    Ams5731, 5732, 5737 or 5853 national std/spec single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Clean/passivate iaw qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unjc
  • Specification Data
    80205-nas1141 through 1148 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 5305016229662

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1141E4 National Aerospace Standards
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