NSN 5306-01-074-0173

Coaxial Connector

About this product

Between 0.745 inches and 0.775 inches fastener length, spline extended washer head style, between 0.194 inches and 0.234 inches head height, extended washer diameter: between 0.460 inches and 0.470 inches .

Manufacturer part number MS21297-04004 for national stock number 5306010740173.


  • Product description

    Shear Bolt NSN 5306-01-074-0173.

  • 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.)
    0.1 lb
  • Thread Class
  • Thread Direction
  • Thread Length
    Between 0.485 inches and 0.535 inches
  • Fastener Length
    Between 0.745 inches and 0.775 inches
  • Head Style
    Spline extended washer
  • Head Height
    Between 0.194 inches and 0.234 inches
  • Extended Washer Diameter
    Between 0.460 inches and 0.470 inches
  • Extended Washer Thickness
    Between 0.026 inches and 0.046 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Head Minor Diameter
    Between 0.318 inches and 0.324 inches
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Thready Qty Per Inch (tpi)
  • Min. Tensile Strength (psi)
    220000 pounds per square inch
  • Hardness Rating
    46.0 rockwell c and 50.0 rockwell c
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel comp h11
  • Material Specification
    Ams 6487 assn standard single material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Mil-c-8837 type 2 cl 2 military 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

Pricing and Availability

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NSN 5306010740173

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21297-04004 Sps Technologies, Llc
MS21297-04004 Sps Technologies, Llc
MS21297-04004 Huck International, Inc.
MS21297-04004 National Aerospace Standards
VFK101G4-004 Hy-way Heat Systems Inc
MS21297-04004 Military Standards
MS21297-04004 Huck Intl Inc
Stock Check
Availability for this item was last checked on 09/22/22. The quantities and conditions available at the time were:
  • NE: 111
  • NS: 36