- AC-0420-2
- Penn Engineering
- Nut Non-Locking 1/4-20-THD 15.24mm- HD DIA 19in/32in- HD DIA 0.6in- HD DIA 6.71mm-THK 17in/64in-THK 0.264in-THK Stainless Steel 300 Passivated ASTM A380
- LAC-0420-2MD
- Penn Engineering
- Nut Lock 1/4-20-THD 15.24mm- HD DIA 19in/32in- HD DIA 0.6in- HD DIA 9.25mm-THK 23in/64in-THK 0.364in-THK Stainless Steel 300 Black Dry-Film Lubricant