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Bayonet Tire Inflator Gauge - Grip-Style Air Chuck Head to Lock onto Valve

Part #: 523

UPC: 30937301109

Number of items in this pack: 1

  • 1/4" NPT. Air chuck threads: 7/16”-27 UNS. Pressure range of PSI (10-120) and kPa (80-840).
  • Includes: Bayonet-style inflator gauge, Grip head air chuck to lock onto valve, and 36" Hose. (Milton 520-522 all come with 12" hoses.)
  • Replacement hose whip: Milton #529.
  • Replacement air chuck: Milton #500-43.
  • All Milton replacement hose whips have 1/4” NPT threads and are interchangeable with any Milton bayonet gauge.

Milton (S-523) Bayonet Tire Inflator Gauge - Grip-Style Air Chuck Head to Lock onto Valve, 120 Max PSI


Milton’s #523 Grip-styled head chuck bayonet gauge conveniently locks onto tire 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 3-foot 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 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-523’s replacement air hose whip: Milton #529 (36-inch hose whip w/valve-locking grip chuck head).

S-523’s replacement air chuck: Milton #P500-43.

Replacement cartridge for #520-523: Milton #525.

Weight 1.2400
Gauge Type Bayonet style inflator gauge
Chuck type Grip style chuck
Hose length 3' Hose
Manufacturer Milton Industries
Height 1.375
Width 5.5
Length 10
PSI range 10 to 120 lbs in 2 lb increments
kPa range 80 to 840 kpa in 20 kpa units

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