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Part#: S-521

Bayonet Tire Inflator Gauge - Single Air Chuck Head 12" Hose - 10-120 PSI

Milton Industries Inc.®

Part #: S-521
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, Single head air chuck, and 12" Hose.
  • Replacement hose whip:Milton® #526.
  • Replacement air chuck: Milton@ #P500-44.
  • All Milton® replacement hose whips have 1/4” NPT threads and are interchangeable with any Milton® bayonet gauge.
$55.96
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$55.96

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Bayonet Tire Inflator Gauge - Single Air Chuck Head 12" Hose - 10-120 PSI

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.

Type of Hose :
Type of fiiting :
Thread Size :
SCFM :
PSI range : 10 - 120 lbs in 2 lb. Increments

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.

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