1-321-802-5889

NSN 5305-01-373-4843

High Torque Screw

About this product

Between 1.953 inches and 1.983 inches fastener length, flat countersunk head style, between 0.766 inches and 0.838 inches head diameter, grip diameter: between 0.5610 inches and 0.5615 inches .

Manufacturer part number HT4024L9-17 for national stock number 5305013734843.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-373-4843.

  • MPN or Model

    HT4024L9-17

  • 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
    0.906 inches
  • Fastener Length
    Between 1.953 inches and 1.983 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.766 inches and 0.838 inches
  • Grip Diameter
    Between 0.5610 inches and 0.5615 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.562 inches
  • Grip Length
    Between 1.052 inches and 1.072 inches
  • Thready Qty Per Inch (tpi)
    18
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Color
    White top of head
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material response
  • Surface Treatment
    Passivate paint top of head
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unjf
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 5305013734843

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4024L9-17 Arconic Global Fasteners & Rings,
ST3M557-9-17 Boeing Company, The
ST3M557-9-17 Valley-todeco, Inc.
ST3M557-9-17 Fastener Innovation Technology, Inc.
ST3M557-9-17 Sps Technologies, Llc
11907-9L17 Reid Products Inc.
ST3M557-9-17 West Coast Aerospace Inc
ST3M557-9-17 Sps Technologies, Llc
HT4027-9-17 Arconic Global Fasteners & Rings,
ST3M557-9-17 Huck International, Inc.
ST3M557-9-17 Houston Precision Fasteners I, Lp
ST3M557-9-17 Saturn Fasteners Inc
ST3M557-9-17 Heartland Precision Fasteners, Inc.
ST3M557-9-17 Camcar Llc
ST3M557-9-17 Sps Technologies, Llc
11923-9-17 Reid Products Inc.
ST3M557-9-17 Linread Ltd
HT4024L9-17 Hi-shear Corporation
HT4024L9-17 Sps Technologies, Llc
HT4024L9-17 Alcoa Global Fasteners, Inc.
HT4024L9-17 Cmp Products A Division Of British
HT4024L9-17 Lisi Aerospace Canada Corp
ST3M455-9L17 Boeing Company, The
Stock Check
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