NSN 5306-00-990-2872

Coaxial Connector

About this product

3.520 inches fastener length, double hexagon w/hole head style, 0.388 inches head height, width between flats: between 0.430 inches and 0.439 inches .

Manufacturer part number MS21250-06046 for national stock number 5306009902872.


  • Product description

    Shear Bolt NSN 5306-00-990-2872.

  • MPN or Model


  • 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.)
    3.5 lb
  • Thread Class
  • Thread Direction
  • Thread Length
    0.645 inches
  • Fastener Length
    3.520 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    0.388 inches
  • Width Between Flats
    Between 0.430 inches and 0.439 inches
  • Extended Washer Diameter
    Between 0.639 inches and 0.649 inches
  • Extended Washer Thickness
    0.091 inches
  • Grip Diameter
    Between 0.3735 inches and 0.3745 inches
  • Thread Diameter
    0.375 inches
  • Grip Length
    2.875 inches
  • Thready Qty Per Inch (tpi)
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 43.0 rockwell c
  • Material
    Steel comp e4340 or steel comp 4340 or steel comp 8740 or steel comp 6150 or steel comp 4140
  • Material Specification
    Mil-s-5000 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-8503 military specification 4th material response or mil-s-5626 military specification 5th material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 ty2, class 3 federal specification single treatment response
  • Thread Series Designator
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Shear Bolt

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

Mechanic Bill explains Coaxial Connector

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NSN 5306009902872

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21250-06046 Military Standards
MS21250-06046 Valley-todeco, Inc.
MS21250-06046 Arconic Global Fasteners & Rings,
MS21250-06046 Sps Technologies, Llc
MS21250-06046 Sps Technologies, Llc
MS21250-06046 All Manufacturers, Inc.
MS21250-06046 Alcoa Global Fasteners, Inc.
MS21250-06046 Textron Fastening Systems
VFK100G-06046 Valley-todeco, Inc.
MS21250-06046 Huck International, Inc.
MS21250-06046 Chandler Craftsman Controls
MS21250-06046 Huck Intl Inc
MS21250-06046 Mercury Aerospace Fasteners Inc
MS21250-06046 Allen Mfg Co
MS21250-06046 Air World Mfg
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