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LN Series - 1/4"
(Interchange with Lincoln Long Nose)
LN Series 1/4" Plugs
Sizes and Pricing

Female Thread
Sizes and Pricing

Male Thread
LN Series Automatic 1/4" Sockets
Sizes and Pricing

Female Thread
Sizes and Pricing

Male Thread
Sizes and Pricing

Hose Stem
(Requires Hose Clamp)
Sizes and Pricing

Push On Hose Stem
Sizes and Pricing

Reusable Hose Clamp
LN Series Manual 1/4" Sockets
Sizes and Pricing

Female Thread
Sizes and Pricing

Male Thread
Sizes and Pricing

Hose Stem
(Requires Hose Clamp)

Foster LN Series couplings are interchangeable with Lincoln's "Long Nose" series couplings and offer quick coupling of all air-operated equipment.

They are only available in 1/4" body size, brass and steel construction.

  • Locking mechanism prevents accidental coupler detachment

  • Increased air flow due to a larger air passage

  • Automatic air check valve shuts off air instantly when uncoupled, providing leak-proof seal.

  • Corrosion resistantance steel for long service life

  • Free swivel helps prevent kinking or curling of air hoses

Type: One Way Shut-Off

Rated Pressure: 300 PSIG

Temperature Range (std seals): -40° to +250°F.

Locking Device: Balls or pins

Operation: Automatic Push to Connect