NSN 5306-01-250-6709

Coaxial Connector

About this product

Between 0.642 inches and 0.672 inches fastener length, hexagon head style, between 0.156 inches and 0.171 inches head height, width between flats: between 0.492 inches and 0.502 inches .

Manufacturer part number NAS1955C-3 for national stock number 5306012506709.

Picture of NSN 5306-01-250-6709


  • Product description

    Shear Bolt NSN 5306-01-250-6709.

  • 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 0.444 inches and 0.494 inches
  • Fastener Length
    Between 0.642 inches and 0.672 inches
  • Head Style
  • Head Height
    Between 0.156 inches and 0.171 inches
  • Width Between Flats
    Between 0.492 inches and 0.502 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.178 inches and 0.198 inches
  • Thready Qty Per Inch (tpi)
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Surface Finish
    32.0 microinches threads
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5731 assn standard single material response or ams 5737 assn standard single material response
  • Surface Treatment
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
  • Specification Data
    80205-nas1955 professional/industrial association standard
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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 5306012506709

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS1955C-3 National Aerospace Standards
Stock Check
Availability for this item was last checked on 06/24/24. The quantities and conditions available at the time were:
  • NS: 10
  • NE: 23