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NSN 5305-01-025-4856

High Torque Screw

About this product

Between 0.635 inches and 0.665 inches fastener length, flat countersunk head style, between 0.328 inches and 0.385 inches head diameter, locking feature: patch grip.

Manufacturer part number NAS1163-5L for national stock number 5305010254856.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-025-4856.

  • MPN or Model

    NAS1163-5L

  • 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 0.635 inches and 0.665 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.328 inches and 0.385 inches
  • Locking Feature
    Patch grip
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.302 inches and 0.322 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
    100.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp e4340 fastener or steel comp 4340 fastener or steel comp 4140 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, type 2, cl 2 federal specification single treatment response fastener
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas1163 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 5305010254856

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1163-5L National Aerospace Standards
NAS1163-5 National Aerospace Standards
LK1163-5 Torkon Fastener Corp
NAS1163-5L National Aerospace Standards
LK1163-5 Torkon Fastener Corp
NAS1163-5 National Aerospace Standards
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