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NSN 5305-01-076-6316

High Torque Screw

About this product

Between 0.890 inches and 0.937 inches fastener length, flat countersunk undercut head style, between 0.3765 inches and 0.3813 inches head diameter, head height: between 0.0439 inches and 0.0459 inches .

Manufacturer part number CHT4020-3-8A for national stock number 5305010766316.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-076-6316.

  • MPN or Model

    CHT4020-3-8A

  • 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 0.390 inches and 0.437 inches
  • Fastener Length
    Between 0.890 inches and 0.937 inches
  • Head Style
    Flat countersunk undercut
  • Head Diameter
    Between 0.3765 inches and 0.3813 inches
  • Head Height
    Between 0.0439 inches and 0.0459 inches
  • Grip Diameter
    Between 0.1890 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    0.500 inches
  • Features Provided
    O ring
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    100.0 degrees
  • Surface Finish
    32.0 microinches threads
  • Material
    Stainless steel fastener
  • Material Specification
    Mil-r-25988 type 1, cl 1, grade 70 military specification single material response primary washer
  • Surface Treatment
    Passivate fastener
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response fastener
  • 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 5305010766316

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
CHT4020-3-8A Alcoa Global Fasteners, Inc.
CHT4020-3-8A Deutsch Co The
CHT4020-3-8A Sps Technologies, Llc
ST3M652C3-8A Boeing Company, The
HT4020-3-8A Arconic Global Fasteners & Rings,
HT4020-3-8A Sps Technologies, Llc
HT4020-3-8A Hi-shear Corporation
HT4020-3-8A Lisi Aerospace Canada Corp
HT4020-3-8A Huck International, Inc.
642AS0738-1 Naval Air Systems Command
HT4020-3-8A Alcoa Global Fasteners, Inc.
HT4020-3-8A Sps Technologies, Llc
11925C3-8A Reid Products Inc.
HT4020-3-8A Huck Intl Inc
642AS0738 Naval Air Systems Command
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