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MS Hex Nuts

Military-spec hex nuts are hexagonal fasteners used in military and other critical industrial environments, including aerospace and marine applications. These hex nuts are designed to meet strict performance and quality standards established by the US Department of Defense. With various grades, sizes, materials, and specification options, military-spec hex nuts are top-performing fasteners for critical applications.

At ECS Fasteners, we source military hardware that meets all regulatory requirements. We offer 48,000 high-performance components with pricing options on bulk orders. We also distribute custom military-spec fasteners for unique applications. No matter how stringent your specifications are, we have the expertise, resources, and personalized service to complete your order as quickly as possible and within your budget.

Military Spec Hex Nuts at ECS Fasteners

Fasteners and hardware used in military applications must meet or exceed strict military specification guidelines. Beyond military and defense operations, military-spec fasteners, including MS hex nuts, are used in government, marine, nuclear, shipbuilding, and many other industrial building projects. ECS Fasteners distributes a wide range of military-spec fasteners, including Grade B, Grade C, and MS35649 & MS35650 hex nuts. Our military-spec hex nuts are available in various sizes and thread pitches with wholesale ordering options.

MS51967B Grade B Coarse Hex Nuts

Grade B military spec hex nuts feature a minimum proof load of 85,000 PSI and a minimum tensile strength of 120,000 PSI. They are typically used in general-purpose applications where a high-strength nut is needed. They are commonly used in aerospace, defense, and transportation industries, where high-strength fasteners are essential for safe and reliable operation.

MS51967C Grade C Coarse Hex Nuts

Grade C military spec hex nuts, as defined by MS 51967C, have a minimum proof load of 110,000 PSI and a minimum tensile strength of 144,000 PSI. They are stronger and more durable than Grade B nuts, making them suitable for use in applications where high stress or extreme conditions are expected.

MS35649 & MS35650 Hex Nuts

The MS35649 and MS35650 designations include coarse and fine thread styles for military-spec hex nuts. We distribute MS35649 and MS35650 hex nuts in corrosion-resistant 300-series stainless steel, as well as carbon steel with a cadmium-yellow finish for enhanced corrosion resistance and strength.

ECS Fasteners is Your Source for Wholesale Military-Spec Fasteners

At ECS Fasteners, we distribute all styles and sizes of military-spec hardware fastening products. We work with an extensive domestic and international manufacturing network to access any style of military-spec hardware, standard fastening products, and custom-made components. Our inventory of ready-to-ship military spec hardware includes:

We Supply Standard & Custom Industrial Fasteners for All Industries

In addition to our military-spec fasteners, we distribute fasteners in styles and materials required for specific applications, from high-grade steel for structural applications to corrosion-resistant stainless steel grades for marine applications and more. We can also supply custom and specialized fasteners for unique applications. Industries we serve include:
  • Aerospace & Aircraft Manufacturing
  • Automotive Manufacturing
  • Chemical Processing Plants
  • Construction & Structural Applications
  • Marine & Shipbuilding
  • Medical Device Manufacturing
  • Oil & Gas Refineries
  • And many more

Fast Nationwide Shipping & Local VMI Services for Military-Spec Hardware

We offer fast nationwide shipping on all orders. We also provide VMI services throughout northern Indiana, designed to keep your industrial or commercial job site fully stocked with all the necessary fastening hardware for your project. Whether you need a one-time bulk order or recurring orders in a personalized timeframe, ECS Fasteners is here to ensure you have the fasteners you need when you need them.

Contact Us to Learn More About Our Military Spec Hardware

Contact ECS Fasteners to learn how we can provide the best services for your fastener supplies. You can also request a quote for more information on pricing for special orders. We are committed to providing you with the best service you’ve ever experienced from a full-service fastener supplier. Choose ECS Fasteners to take care of all your fastening product requirements.
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