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NSN 5305-00-338-1794

High Torque Screw

About this product

Between 0.705 inches and 0.735 inches fastener length, pan head style, between 0.597 inches and 0.612 inches head diameter, head height: between 0.203 inches and 0.218 inches .

Manufacturer part number HT8180-5-4L for national stock number 5305003381794.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-338-1794.

  • MPN or Model

    HT8180-5-4L

  • 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)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.445 inches and 0.495 inches
  • Fastener Length
    Between 0.705 inches and 0.735 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.597 inches and 0.612 inches
  • Head Height
    Between 0.203 inches and 0.218 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    40.0 rockwell c and 43.0 rockwell c
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp e4340 or steel comp 8740
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 2 federal specification single treatment response
  • Thread Series Designator
    Unjf
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 5305003381794

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT8180-5-4L Arconic Global Fasteners & Rings,
HT8180-5-41 Arconic Global Fasteners & Rings,
HT8180-5-4L Alcoa Global Fasteners, Inc.
112-1050-001 Armco Inc
Stock Check
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