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NSN 5306-00-131-7221

Coaxial Connector

About this product

4.099 inches fastener length, double hexagon w/hole head style, 0.348 inches head height, width between flats: between 0.367 inches and 0.376 inches .

Manufacturer part number MS21250-05056 for national stock number 5306001317221.

Datasheet

  • Product description

    Shear Bolt NSN 5306-00-131-7221.

  • MPN or Model

    MS21250-05056

  • 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 0.589 inches and 0.609 inches
  • Fastener Length
    4.099 inches
  • Head Style
    Double hexagon w/hole
  • Head Height
    0.348 inches
  • Width Between Flats
    Between 0.367 inches and 0.376 inches
  • Extended Washer Diameter
    Between 0.521 inches and 0.531 inches
  • Extended Washer Thickness
    0.082 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 3.490 inches and 3.510 inches
  • Thready Qty Per Inch (tpi)
    24
  • 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 8740 or steel comp 6150 or steel comp 4140
  • Material Specification
    Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-5626 military specification 4th material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 3 federal specification all treatment responses
  • Thread Series Designator
    Unjf
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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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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MS21250-05056 National Aerospace Standards
MS21250-05056 Valley-todeco, Inc.
MS21250-05056 Arconic Global Fasteners & Rings,
MS21250-05056 Alcoa Global Fasteners, Inc.
MS21250-05056 Textron Fastening Systems
MS21250-05056 Sps Technologies, Llc
MS21250-05056 Sps Technologies, Llc
MS21250-05056 All Manufacturers, Inc.
VFK100G-05056 Valley-todeco, Inc.
MS21250-05056 Huck International, Inc.
MS21250-05056 Chandler Craftsman Controls
MS21250-05056 Military Standards
MS21250-05056 Huck Intl Inc
MS21250-05056 Mercury Aerospace Fasteners Inc
MS21250-05056 Allen Mfg Co
Stock Check
Availability for this item was last checked on 09/30/21. The quantities and conditions available at the time were:
  • NS: 34
  • NE: 2227