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NSN 5305-01-389-7996

High Torque Screw

About this product

Between 0.511 inches and 0.541 inches fastener length, flat countersunk head style, between 0.269 inches and 0.279 inches head diameter, locking feature: strip threads or patch threads or pellet threads.

Manufacturer part number NAS1161E3 for national stock number 5305013897996.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-389-7996.

  • MPN or Model

    NAS1161E3

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.363 inches and 0.413 inches
  • Fastener Length
    Between 0.511 inches and 0.541 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.269 inches and 0.279 inches
  • Locking Feature
    Strip threads or patch threads or pellet 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 0.178 inches and 0.198 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp 302 fastener
  • Material Specification
    Ams5737 assn standard single material response fastener
  • Surface Treatment
    Passivate fastener
  • Surface Treatment Specification
    Qq-p-35 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 5305013897996

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1161E3 National Aerospace Standards
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