O-ring for Nitrogen Stem - 801-NT55

Stop the Leak Before It Costs You a Keg

A worn or cracked O-ring on your nitrogen stem is all it takes to throw off your pour pressure and waste gas. The 801-NT55 is a direct-fit replacement O-ring for nitrogen stem assemblies — a quick swap that restores a clean, leak-free seal and gets your system back on pressure.

Why bar and brewery pros keep these on hand

• Precision-fit for nitrogen stem assemblies
• Food-grade material rated for CO₂ and nitrogen gas service
• Seals tight under pressure — eliminates gas bleed and pressure drop
• Affordable single-unit pricing makes stocking spares a no-brainer
• Fast fix: no tools, no downtime, no service call

Fits standard draft beer regulator stem assemblies

Designed for commercial draft beer dispensing systems. Compatible with nitrogen and mixed-gas (beer gas) regulators using the nitrogen stem assembly. Keep a few in your parts kit, there's no reason to be caught without one.