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NSN 5305-01-393-4203

High Torque Screw

About this product

Between 1.688 inches and 1.708 inches fastener length, oval countersunk head style, between 0.429 inches and 0.477 inches head diameter, grip diameter: between 0.3110 inches and 0.3120 inches .

Manufacturer part number 3M926-5L20 for national stock number 5305013934203.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-393-4203.

  • MPN or Model

    3M926-5L20

  • 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
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.531 inches
  • Fastener Length
    Between 1.688 inches and 1.708 inches
  • Head Style
    Oval countersunk
  • Head Diameter
    Between 0.429 inches and 0.477 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 1.240 inches and 1.260 inches
  • Features Provided
    Dry film lubricant and cetyl alcohol lubricant
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp xm-13
  • Surface Treatment
    Aluminum and chromate
  • Surface Treatment Specification
    Mil-c-83488, ty2, cl3 military specification all treatment responses
  • Thread Series Designator
    Unjf
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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 5305013934203

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M926-5L20 Boeing Company, The
11883-5L20 Reid Products Inc.
HT4068-5-20A Hi-shear Corporation
HT4068-5-20A Lisi Aerospace Canada Corp
3M926-5L20 Sps Technologies Ltd Tj Brooks
3M926-5L20 Twist Tite Mfg, Inc
Stock Check
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