Pumps and Compressors
Federal Supply Group 43 — Technical data sheets for every NSN
Federal Supply Classes
| FSC | Class Name | NSN Count |
|---|---|---|
| 4320 | Power and Hand Pumps | 110,827 |
| 4310 | Compressors and Vacuum Pumps | 49,000 |
| 4330 | Centrifugals, Separators, and Pressure and Vacuum Filters | 24,945 |
Top Cross-Referenced Parts
| NSN | Item Name | Cross-Refs |
|---|---|---|
| 4330-00-217-1033 | Filter,fluid | 804 |
| 4310-00-216-7712 | Beari G,sleeve | 404 |
| 4310-00-216-7827 | Pneumatic Muffler,exhaust-Intake | 228 |
| 4310-00-271-9053 | Breather | 223 |
| 4310-00-212-9967 | Shaft,gear | 204 |
| 4310-00-142-0671 | Cylinder Sleeve | 200 |
| 4310-00-216-7828 | Body,unloader | 185 |
| 4310-00-142-0670 | Cylinder Sleeve | 178 |
| 4310-00-216-7725 | Plate,reed Valve | 174 |
| 4310-00-278-0694 | Pin,piston | 170 |
| 4320-00-420-4842 | Pump,rotary | 169 |
| 4320-00-126-5220 | Ring,lantern | 168 |
| 4330-00-336-9392 | Filter Element,fluid | 163 |
| 4310-00-423-2985 | Channel,compressor | 162 |
| 4310-00-141-9346 | Pin,piston | 158 |
| 4330-00-217-1027 | Filter,fluid | 151 |
| 4310-00-216-7750 | Cylinder Sleeve | 150 |
| 4320-00-420-1887 | Rotor,pump | 148 |
| 4320-00-398-5589 | Ring | 141 |
| 4310-00-145-2784 | Strap | 139 |
Top Manufacturers
| Company | Country | NSN Count |
|---|---|---|
| Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging | USA | 9,158 |
| Curtiss-Wright Electro-Mechanical Corporation Div Epd | USA | 7,529 |
| Circor Naval Solutions Llc Dba Warren Pumps | USA | 5,389 |
| Carver Pump Company | USA | 4,946 |
| Ingersoll Rand Co | USA | 4,930 |
| Siemens Energy, Inc. Dba Dresser-Rand | USA | 4,676 |
| Dresser-Rand Co Worthington Compressor Opn a Joint Venture | USA | 3,978 |
| Air & Liquid Systems Corporation Dba Buffalo Pumps | USA | 3,890 |
| Eaton Aerospace, Llc Dba Jackson South | USA | 3,696 |
| Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions | USA | 3,572 |
About Pumps and Compressors
PartsTable provides technical data for 184,772 active National Stock Numbers in the Pumps and Compressors category (Federal Supply Group 43), cited from the U.S. Government catalog. The largest Federal Supply Class within this group is Power and Hand Pumps (FSC 4320) with 110,827 cataloged items. Every record shows the government data as held — specifications, DEMIL classification, and manufacturer part-number references where the record carries them — freely accessible through PartsTable.