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Attention Hubbell-Wiegmann Enclosure Customers: The order deadline for same-day shipment of LTL (freight) orders is 3:00 pm ET. Small parcel orders ship until 4:00 pm ET.

Our offices will be closed on Monday, May 27th, in observance of Memorial Day
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Pneumatic Components > Quick-Disconnect Air Couplings

In Depth

Quick-Disconnect Air Couplings

Quick-disconnect air couplings allow easy changing of tools or hose connections. NITRA couplers and plugs are available in popular sizes and styles (industrial interchange, ARO and Truflate). Male or female NPT threads on the opposite end allow connection to hoses, tools or machinery.

1/4 inch Air Couplings & Plugs

3/8 inch Air Couplings & Plugs

Quick Disconnect Couplings & Quick Connect/Disconnect Air Fittings

NITRA® pneumatic quick-disconnect couplings and plug fittings

NITRA pneumatic quick-disconnect swivel couplings allow easy changing of tools or hose connections. The quick disconnect air hose couplings (female) and plugs (male) are available in three of the most popular styles: IND (Industrial Interchange), ARO and Truflate (automotive style).

Industrial Interchange, ARO210 and Truflate plugs are available in steel and chrome-plated steel
Quick connect couplings are available in Industrial Interchange manual or automatic and universal automatic
Air couplings and plugs are sold separately

Quick-disconnect couplings start at $5.50

Quick-disconnect plugs start at $1.25

Features

Plugs and air line couplings for 1/4-inch and 3/8-inch hose sizes
Male and female NPT threaded
Thread sealant supplied on all male fittings
Maximum pressure = 250 psi
30-day return
12-month warranty

NITRA Quick-Disconnect Fittings Overview

Quick Disconnect Air Couplings Categories

1/4 inch Air Couplings & Plugs
- Plugs and quick air couplings for 1/4-inch hose sizes
- Manual and automatic coupler types
- Industrial Interchange, ARO and Truflate coupler styles
- Universal quick-disconnect coupler available
- 1/4-inch and 3/8-inch NPT threaded connections, male and female
3/8 inch Air Couplings & Plugs
- Plugs and quick air couplings for 3/8-inch hose sizes
- Manual and automatic coupler types
- Industrial Interchange coupler styles
- 1/4-inch, 3/8-inch, 1/2-inch NPT threaded connections, male and female