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Parker 50 Series

For the complete product listing, please view Catalog 3800 - Quick Coupling Products (19.9 MB PDF).

50 Series Couplers

Manual Sleeve, Single Shut Off

Parker 50 Series Couplers

50 Series Pneumatic Couplers are interchangeable with ARO’s 210 series. Couplers have brass bodies. Nipples are constructed of steel. Sleeve-Lok is an optional feature.

Applications: Air compressors, pneumatic tools, water, grease, paint

Features:

  • Integral sleeve guard resists accidental disconnection
  • Tubular valve delivers high flow with minimal pressure drop
  • Stainless steel springs and locking balls option is available for added corrosion resistance
  • Standard seal is Nitrile

50 Series Specifications

Body Size Rated Pressure Temperature Range Locking Device Vacuum Service
inches (psi) (std seals)
1/4 300 -40° to +250° F 4 balls Not Recommended

Nipples - Female Pipe Thread

Nipples - Female Pipe Thread
Body Size Part # Steel Thread Size Length Largest Diameter Exposed Length Wrench Flats Weight
inches (lbs.)
1/4 A3C 1/4-18 NPTF 1.47 0.720.66 0.62 0.04

Nipples - Male Pipe Thread

Nipples - Male Pipe Thread
Body Size Part # Steel Thread Size Length Largest Diameter Exposed Length Wrench Flats Weight
inches (lbs.)
1/4 A2C 1/4-18 NPTF 1.62 0.650.82 0.56 0.05

Nipples - Standard Hose Barb

Nipples - Standard Hose Barb
Body Size Part # Steel Hose I.D. Length Largest Diameter Exposed Length Wrench Flats Weight
inches (lbs.)
1/4 A8C 1/4 1.63 .0430.82 0.62 0.03

Nipples - Push-Lok Hose Barb

Nipples - Push-Lok Hose Barb
Body Size Part # Steel Hose I.D. Length Largest Diameter Exposed Length Wrench Flats Weight
inches (lbs.)
1/4 A8CP 1/4 1.65 .0670.87 0.62 0.03

Couplers - Female Pipe Thread

Couplers - Female Pipe Thread
Body Size Part # Brass Thread Size Length Largest Diameter Wrench Flats Weight
inches (lbs.)
1/4 B53 1/4-18 NPTF 1.83 0.900.75 0.20
1/4 B53E 3/8-18 NPTF 1.95 0.940.81 0.21

Couplers - Male Pipe Thread

Couplers - Male Pipe Thread
Body Size Part # Brass Thread Size Length Largest Diameter Wrench Flats Weight
inches (lbs.)
1/4 B52 1/4-18 NPTF 2.05 0.900.75 0.20
1/4 B52E 3/8-18 NPTF 2.08 0.900.75 0.21

Couplers - Push-Lok Hose Barb

Couplers - Push-Lok Hose Barb
Body Size Part # Brass Hose I.D. Length Largest Diameter Wrench Flats Weight
inches (lbs.)
1/4 B50-3BP 1/4 2.32 0.900.75 0.19
1/4 B50-5BP 3/8 2.47 0.900.75 0.20