690291037566

• 6 — Number system
• 90291 — Manufacturer code
• 03756 — Product code
• 6 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

• 690291025471 — Grinnell 1/2 Black cross
• 690291026461 — Grinnell 1/2 Black floor flange
• 690291025761 — Grinnell 1/2 Black malleable coupling
• 690291035050 — Grinnell 1/2 Black square head plug
• 690291039218 — Grinnell 1/2 Black steel merch coupling
• 690291023941 — Grinnell 1/2 Black tee

Grinnell 3/4 galv square head plug

Search for Grinnell 3/4 galv square head plug on Amazon (or for the code 690291037566)