Lincoln air couplers provide split-second coupling of grease guns, impact wrenches, paint sprayers and other air-operated equipment. Air flow products from Lincoln have the features and durability you demand for your business.
- Positive action locking mechanism so coupler cannot be detached accidentally.
- Extra large air passage insures greater air flow.
- Automatic air check valve shuts off air instantly when uncoupled, providing leak-proof seal.
- Corrosion-resistant steel plug and stainless steel check and check spring for long service life.
- Free swiveling action prevents curling or kinking of air hose.
Specifications:- 250 psi maximum operating pressure.
- 1/4" NPT (f) inlet.
- Extra-long stem of nipple and coupler body assures long service life, easy connections under severe operating conditions.
- Maximum air flow 52 scfm at 100 psi.
- Length 2-1/2" (65mm); diameter 1-1/16" (37mm); weight 4-1/2 ounces (126g).
Lincoln Industrial 11661 Air Coupler Nipple - 1/4" FNPT 
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