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NSN 5305-01-237-6771

High Torque Screw

About this product

Furnished with o-ring.

Manufacturer part number 54266-3-1 for national stock number 5305012376771.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-237-6771.

  • MPN or Model

    54266-3-1

  • 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
    Between 0.380 inches and 0.447 inches
  • Fastener Length
    Between 1.515 inches and 1.562 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.376 inches and 0.381 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 1.115 inches and 1.135 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    100.0 degrees
  • Material
    Steel
  • Material Specification
    3-48 cage 76301 mfr ref single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    3-48 cage 76301 mfr ref single treatment response
  • 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 5305012376771

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
54266-3-1 Sps Technologies, Llc
HT4UA-CA-3-18 Hi-shear Corporation
3M46-3-18 Boeing Company, The
HT408A-3-18 Arconic Global Fasteners & Rings,
HTS467-3-18 Huck International, Inc.
3M46-3-18 Alcoa Global Fasteners, Inc.
HT4UA-CA-3-18 Lisi Aerospace Canada Corp
HTS467-3-18 Huck Intl Inc
HT408A-3-18 Alcoa Global Fasteners, Inc.
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