CALL US 1-800-442-0311

Parker NS Series

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

NS Series Push-To-Connect

Parker NS Series Push-To-Connect

NS Series non-spill couplings are designed to minimize spillage and air inclusion when connecting or disconnecting. Couplers and nipples are steel with nitrile seals. 1/2 inch through 1 inch sizes utilize a PTFE back-up ring as additional support to the interface seal.

Applications: Hydraulic hand tools, Utility equipment, Mining equipment

Features:

  • Rated pressure up to 2500 psi
  • Positive valve stop prevents flow checking
  • Heat treated steel nipple and heavy duty sleeve withstand pressure surges
  • Standard sleeve lock guards against accidental disconnection
  • Couplings have protective zinc with clear trivalent chromate finish
  • Standard end configurations include female pipe, straight thread ORB, and BSPP
  • Alternative seal materials available

NS Series Specifications

Body Size Rated Pressure Rated Flow Temperature Range Spillage (ml) Max. Air Inclusion (ml) Max
inches (psi) (gpm) per disconnect per connect
3/8 2,500 10 -40° to +250°F 0.0200.010
1/2 2,500 12 -40° to +250°F 0.0700.020
3/4 2,500 30 -40° to +250°F 0.1500.050
1 2,500 50 -40° to +250°F 0.2200.070

NS Series Couplers

Parker NS Series Couplers
Body Size Part Number Thread Size Length Largest Diameter Wrench Flats Weight
inches (lbs.)
3/8 NS-371-6FP 3/8-18 NPSF 2.10 1.131.060.36
3/8 NS-371-6FB G3/8 BSPP 2.10 1.13 1.060.38
3/8 NS-371-8FO 3/4-16UNF 2.20 1.13 1.060.40
1/2 NS-501-8FP 1/2-14 NPSF 2.88 1.561.250.84
1/2 NS-501-8FB G1/2 BSPP 2.95 1.561.250.74
1/2 NS-501-10FO 7/8-14UNF 2.97 1.561.250.80
3/4 NS-751-12FP 3/4-14 NPSF 3.19 1.961.561.48
3/4 NS-751-12FB G3/4 BSPP 3.38 1.961.561.54
3/4 NS-751-12FO 1 1/16-12UN 3.51 1.961.561.58
1 NS-1001-16FP 1-11 1/2 NPSF 3.70 2.25 1.75 2.35
1 NS-1001-16FB G 1 BSPP 3.81 2.25 1.75 2.36
1 NS-1001-16FO 1 5/16-12UN 3.81 2.25 1.75 2.36

NS Series Nipples

Parker NS Series Nipples
Body Size Part Number Thread Size Overall Length Exposed Length Largest Diameter Wrench Flats Weight
inches (lbs.)
3/8 NS-372-6FP 3/8-18 NPSF 1.70 1.17 1.080.940.16
3/8 NS-372-6FB G3/8 BSPP 1.78 1.25 1.080.940.16
3/8 NS-372-8FO 3/4-16UNF 1.91 1.38 1.231.060.20
1/2 NS-502-8FP 1/2-14 NPSF 1.81 0.69 1.231.060.20
1/2 NS-502-8FB G1/2 BSPP 1.95 0.83 1.231.060.22
1/2 NS-502-10FO 7/8-14UNF 2.14 1.02 1.231.060.23
3/4 NS-752-12FP 3/4-14 NPSF 2.25 1.12 1.591.370.48
3/4 NS-752-12FB G3/4 BSPP 2.47 1.34 1.591.370.54
3/4 NS-752-12FO 1 1/16-12UN 2.62 1.49 1.591.370.65
1 NS-1002-16FP 1-11 1/2 NSPF 2.64 1.54 1.881.620.72
1 NS-1002-16FB G 1 BSPP 2.78 1.68 1.881.620.74
1 NS-1002-16FO 1 5/16-12UN 2.78 1.68 1.881.620.80