MS21078-4 Cadmium-Plated Steel Self-Locking Nut, 1⁄4-28 Thread Size

The MS21078-4 is a high-quality two lug anchor nut designed for blind mounted applications. Made from durable cadmium-plated steel, it features a nylon locking insert that ensures a secure fit. This product is ideal for various aerospace and industrial applications, providing reliable performance and ease of installation.

Features
• Cadmium-plated steel construction for enhanced corrosion resistance.
• Nylon locking insert for a secure and stable connection.
• Designed specifically for blind mounted applications.

Benefits
• Improved durability and longevity in harsh environments.
• Reduces the risk of loosening due to vibrations.
• Easy installation, saving time and labor costs.

Specifications
• Dash Number: 4
• Width: 0.484 to 0.516 in
• Finish: Cadmium-Plated
• Material: Steel
• Mounting Hole Center-to-Center: 0.998 to 1.002 in
• Mounting Hole Diameter: 0.098 to 0.103 in
• Mounting Type: Straight Hole
• Number of Holes: 2
• Nut Dimensions: 1.296 in L x 0.24 to 0.375 in H
• Temperature Rating: 250 deg F
• Thickness: 0.075 in
• Thread Class: 3B
• Thread Direction: Right Hand
• Thread Per Inch: 28
• Thread Size: 1/4 in
• Thread Type: UNJF
• Domestic/Import: Domestic

Technical Information
• FAA-STD Approved
• QQ-P-416 Type 2 Class 2