MS21042L4 Cadmium-Plated Steel Bolt, Steel Self-Locking Nuts (No Nylon Collar) Type, 1⁄4 -28 Size

The MS21042L4 is a high-performance self-locking nut designed for reliable fastening in demanding environments. Featuring a robust all-metal construction, this nut provides exceptional grip and stability without the use of a nylon collar, making it suitable for high-temperature applications up to 1200˚ F. Its cadmium-plated steel, stainless steel, and silver-plated stainless steel options ensure durability and resistance to corrosion.

Features
• All-metal construction for high-temperature applications.
• Self-locking design ensures secure fastening.
• Available in cadmium-plated steel, stainless steel, and silver-plated stainless steel.

Benefits
• Provides reliable performance under extreme conditions.
• Reduces the risk of loosening due to vibration.
• Offers versatility with multiple material options for various applications.

Specifications
• Diameter: 1/4 to 0.28 in
• Dash Number: L4
• Thread Direction: Right Hand
• Width Across Flat: 0.304 to 0.316 in
• Height: 0.204 to 0.219 in
• Nut Type: Hexagonal
• Material: Steel
• Thread Size: 1/4-28
• Finish: Cadmium
• Thread Type: UNF-3B
• Lubrication: Dry Film
• Temperature Rating: 450 deg F
• Domestic/Import: Domestic

Technical Information
• FAA-STD Approved
• MIL-S-8879 Qualified