NAS1921M04-3 - Rivet

Part number NAS1921M04-3 is a 1/8-inch diameter flush head blind rivet with a mechanically locked stem, intended for aerospace structural fastening where access is available from only one side.

Specifications

• Series: NAS1921
• Type: Blind rivet / mechanically locked blind fastener
• Head Style: 100° flush countersunk head
• Diameter: 1/8 in. (0.125")
• Grip Range: Approx. 0.126 – 0.187 in.
• Length Dash Number: -3
• Sleeve Material: Monel (“M”)
• Stem Material: Alloy steel, mechanically retained
• Finish: Corrosion-resistant coated stem
• Installation: One-sided installation using blind rivet tooling

Features

• Flush head provides smooth aerodynamic surface
• Mechanically locked stem improves vibration resistance
• Monel sleeve offers excellent corrosion resistance
• Suitable for thin-sheet and structural aircraft assemblies
• Designed for blind fastening applications where backside access is limited