Milton® (S-521) Bayonet Tire Inflator Gauge - Single Air Chuck Head, 120 Max PSI
Milton® #521 Single head chuck bayonet gauge is great for those hard-to-reach valves. It has lever action and is made with heavy-duty construction, providing long service life even with constant use. Valve and gauge cartridges are replaceable and combined in one easy unit. Includes a 12" hose with a pressure range that offers 10-120 PSI (2-lb. increments) or 80-840 kPa (20 kPa increments). The air chuck has 7/16”-27 UNS threads. Complete with a jumbo white nylon indicator bar for easy reading.
With ¼” NPT threads, all Milton®n hose whips are compatible for use and have interchangeable connections with any of the 4 Milton® Bayonet Inflator Gauge bodies: #520 (straight chuck head), #521 (single chuck head), #522 (dual truck head chuck), and #523 (grip chuck head to lock onto valve).
Recommended Replacement Parts:
S-521’s replacement air hose whip:Milton® #526 (12-inch hose whip w/single chuck head).
S-521’s replacement air chuck:Milton® #P500-44.
Replacement cartridge for #520-523: Milton® #525.