Product Details:

• Lock Nut or Ny-Lock Nut M10
• Made by UDOR
• Part # 0304.04
• This is a Replacement Part for the Following Pump Model #s: Ro-110, ZETA-40 VA, ZETA-40 VAGR3/4, ZETA-40P VA, ZETA-40P VAGR3/4, ZETA-85 VA, ZETA-85 VAGR3/4, ZETA-85P VA, ZETA-85P VAGR3/4, ZETA-100 VA, ZETA-120 VA, ZETA-120 VAGR1, and ZETA-120 VAGR3/4

This part is highlighted as reference # 871 on the spec drawing shown on this page.