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NSN 5305-00-839-0833

High Torque Screw

About this product

Between 0.385 inches and 0.415 inches fastener length, flat countersunk head style, between 0.211 inches and 0.279 inches head diameter, locking feature: strip threads.

Manufacturer part number NAS1161-1L for national stock number 5305008390833.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-839-0833.

  • MPN or Model

    NAS1161-1L

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.313 inches and 0.363 inches
  • Fastener Length
    Between 0.385 inches and 0.415 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.211 inches and 0.279 inches
  • Locking Feature
    Strip threads
  • Grip Diameter
    Between 0.1365 inches and 0.1375 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.138 inches
  • Grip Length
    Between 0.052 inches and 0.072 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp 4140 fastener or steel comp e4340 fastener or steel comp 8740 fastener
  • Material Specification
    Mil-s-5626 military specification 1st material response fastener or mil-s-5000 military specification 2nd material response fastener or mil-s-6049 military specification 3rd material response fastener
  • Surface Treatment
    Cadmium fastener and chromate fastener
  • Surface Treatment Specification
    Qq-p-416 ty2 cl2 federal specification single treatment response fastener
  • Thread Series Designator
    Unjc
  • Specification Data
    80205-nas1161 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 5305008390833

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1161-1L National Aerospace Standards
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