1-321-802-5889

NSN 5305-01-200-4899

High Torque Screw

About this product

Between 0.761 inches and 0.791 inches fastener length, pan no. 2 head style, between 0.256 inches and 0.270 inches head diameter, head height: between 0.074 inches and 0.086 inches .

Manufacturer part number NAS5101U8 for national stock number 5305012004899.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-200-4899.

  • MPN or Model

    NAS5101U8

  • 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 0.761 inches and 0.791 inches
  • Head Style
    Pan no. 2
  • Head Diameter
    Between 0.256 inches and 0.270 inches
  • Head Height
    Between 0.074 inches and 0.086 inches
  • Grip Diameter
    Between 0.1370 inches and 0.1375 inches
  • Internal Drive Style
    Tri-wing recess
  • Thread Diameter
    0.138 inches
  • Grip Length
    Between 0.490 inches and 0.510 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Material
    Steel comp 3140
  • Thread Series Designator
    Unjc
  • Specification Data
    80205-nas5101 professional/industrial association standard
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 5305012004899

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS5101U8 National Aerospace Standards
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