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MS Pins

Military-spec pins are specialized fasteners manufactured to meet specific standards and requirements for use in various military, aerospace, and other demanding applications. MS pin styles include cotter pins, dowel pins, and slotted spring pins. Military-spec pins are designed to meet rigorous performance and durability standards, including resistance to corrosion, high temperature, and high pressure. These pins also meet specific dimensional tolerances, material specifications, and quality control standards to ensure that they can withstand the demanding environments and stresses encountered in military and aerospace applications.

Military-Spec Pins at ECS Fasteners

At ECS Fasteners, we distribute a wide selection of military-spec fasteners, with multiple styles of MS pins ready to ship. Our inventory includes MS9245, MS16555, and MS16562 designations. Looking for other types of military-spec pins? Contact us, and our staff will assist you in ordering any style and class of MS pins you require for your application.

MS Cotter Pins

Cotter pins, or split pins, are thin wire pins used to lock a bolt or clevis pin in place. Military-spec cotter pins are often used in heavy equipment to prevent bolts from loosening due to vibration or stress. Our MS cotter pins are available in 18-8 Stainless Steel with a plain finish.

MS Dowel Pins

Dowel pins are cylinder-shaped pins typically used to align two components, including machinery and tooling equipment in industrial and manufacturing applications, ensuring precise positioning and repeatability. They are also used in automotive engines and transmissions to align and secure various parts, including crankshafts, camshafts, and gears. Our MS dowel pins are available in 400 Stainless Steel with a passivated finish.

MS Slotted Spring Pins

Slotted spring pins are hollow, cylindrical pins with slots along the pin's length that allow for expansion and compression. They secure two or more components together, providing a versatile solution for correcting misalignment or reducing vibration. Our MS slotted spring pins are available in carbon steel with a clear zinc finish for enhanced corrosion resistance.
 

Industrial Applications for Mil-Spec Pins

Military-spec pins are used in many military and defense applications, including aircraft engines, missiles, rockets, armored vehicles, and other military equipment. They are critical components in ensuring safety and reliability for many pieces of machinery. They are subject to rigorous testing and certification procedures to meet the necessary standards.
Military-spec pins are also used beyond military applications, often utilized for other industrial and commercial applications requiring high strength and corrosion resistance. Industries that use ms pins include:
  • Aerospace Manufacturing
  • Automotive Manufacturing
  • Construction
  • Energy Production Facilities
  • Medical Device Manufacturing
  • Oil & Gas Refineries
  • Telecommunications Equipment

Choose ECS As Your Supplier for Military-Spec Precision Fasteners

Contact us to learn more about our selection of pins, including our military-spec pins, stainless steel pins, and other fastening products. You can also request a quote for pricing information on special orders. ECS is your trusted source for fast shipping on premium fasteners. We are dedicated to providing our customers with personalized service, including custom repeat ordering options, flexible bulk purchases, VMI services, and more. Order online from ECS Fasteners today!
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