Power Section Specification (Metric)
475-5683
120.7 mm 5:6 Lobes 8.3 Stages
Rotor Specifications
Overall Length 5826.8 mm
Avg. Diameter 63.56 mm
Contour Length 5642.6 mm
Eccentricity 5.25 mm
Major Diameter 74.07 mm
Head Diameter 79.38 mm
Head Length 184.1 mm
Weight 147 kg
Thread Form 2 3/8" HEF
Stator Specifications
Overall Length 6161.8 mm
Tube OD 120.65 mm
Contour Length 5679.2 mm
Tube ID 95.25 mm
Rubber Cut-back
Side 1: 203.2 mm
Side 2: 279.4 mm
Weight 227 kg
Material Alloy Steel
Performance Specifications
Flow Range 379-1041 LPM
Rev per Unit Volume 0.26 Rev/L
Speed Range 99-273 RPM
No Load Pressure Loss 676 kPa
  POB XTH PRR
Max Rec Press 12,620 kPa 13,880 kPa 12,620 kPa
Torque @ Max Press 6,880 N-m 7,560 N-m 6,880 N-m
Stall Pressure 18,930 kPa 20,820 kPa 18,930 kPa
Stall Torque 10,310 N-m 11,340 N-m 10,310 N-m
Stator Minors and Fit (mm) at 21°C
  PRR POB XTH
Group Minor Fit Minor Fit Minor Fit
0 63.53 0.04 63.55 0.01
4 64.06 -0.50 64.06 -0.50 64.06 -0.50
7 64.77 -1.21 64.77 -1.21
Reline Lengths (mm) Max 6162 Min 6009 Alternate Stator OD (mm): 127.0 / -
Torque
Differential Pressure (kPa) 0 10,000 Torque (Nm) 0
Fit Increase
Change in Temperature (°C) 0 100 200 Fit Increase (mm) 0
Speed
Differential Pressure (kPa) 0 10,000 Speed (RPM) 0
Mechanical Power
Differential Pressure (kPa) 0 10,000 20,000 Mechanical Power (Kw) 0
Torque
Differential Pressure (kPa) 0 5,000 10,000 15,000 Torque (Nm) 0 2,000 4,000 6,000 8,000
Fit Increase
Change in Temperature (°C) 0 50 100 150 200 Fit Increase (mm) 0 0.5 1 1.5 2
Speed
379 LPM 710 LPM 1041 LPM Differential Pressure (kPa) 0 5,000 10,000 15,000 Speed (RPM) 0 100 200 300
Mechanical Power
379 LPM 710 LPM 1041 LPM Differential Pressure (kPa) 0 5,000 10,000 15,000 20,000 Mechanical Power (Kw) 0 50 100 150 200 250
©2026 NOV. All rights reserved. Except as noted, all trademarks referenced in this document are trademarks of NOV. Performance curves describe theoretical performance with 175°F (79°C) water and are for reference only. Operational fit and drilling conditions will affect performance. Operation above maximum recommended limits will reduce life. Specification data are subject to change without notice.
PS App v.