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NSN 5305-00-339-8961

High Torque Screw

About this product

Between 0.954 inches and 0.984 inches fastener length, flat countersunk head style, 0.577 inches head diameter, locking feature: patch threads or pellet threads or strip threads.

Manufacturer part number LK1165-8 for national stock number 5305003398961.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-339-8961.

  • MPN or Model

    LK1165-8

  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.444 inches and 0.494 inches
  • Fastener Length
    Between 0.954 inches and 0.984 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    0.577 inches
  • Locking Feature
    Patch threads or pellet threads or strip threads
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.490 inches and 0.510 inches
  • Thready Qty Per Inch (tpi)
    24
  • 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
    Unf
  • Specification Data
    80205-nas1165 professional/industrial association standard
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 5305003398961

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
LK1165-8 Torkon Fastener Corp
50158-8 Sargent Fletcher Inc.
NAS1165-8 National Aerospace Standards
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