Refrigeration, AC, and Air Circulating Equipment
Federal Supply Group 41 — Technical data sheets for every NSN
Federal Supply Classes
| FSC | Class Name | NSN Count |
|---|---|---|
| 4130 | Refrigeration and Air Conditioning Components | 43,540 |
| 4140 | Fans, Air Circulators, and Blower Equipment | 30,515 |
| 4110 | Refrigeration Equipment | 10,998 |
| 4120 | Air Conditioning Equipment | 4,914 |
| 4150 | Vortex Tubes and Other Related Cooling Tubes | 8 |
Top Cross-Referenced Parts
| NSN | Item Name | Cross-Refs |
|---|---|---|
| 4130-00-212-6306 | Diaphragm,valve | 128 |
| 4130-00-394-9461 | Seal,shaft | 98 |
| 4130-00-367-2651 | Valve and Piston | 89 |
| 4130-00-394-9477 | Stem and Packing,ma | 73 |
| 4130-00-394-9460 | Crankshaft,compressor | 65 |
| 4140-00-306-0886 | Impeller,fan,axial | 64 |
| 4130-00-469-5293 | Seal Assembly | 52 |
| 4130-00-394-9440 | Cage,valve | 52 |
| 4120-00-693-8294 | Valve,compressor,discharge,verti | 50 |
| 4130-00-469-5295 | Cylinder Sleeve | 48 |
| 4130-00-394-9450 | Plate,retainer Seal | 43 |
| 4130-00-392-4560 | Crankshaft,compressor | 41 |
| 4140-00-398-8544 | Housing,centrifugal Fan | 37 |
| 4130-00-393-5181 | Piston,compressor | 36 |
| 4130-00-469-5309 | Cylinder Sleeve | 34 |
| 4140-00-045-4586 | Fan,vaneaxial | 29 |
| 4130-00-564-3451 | Cover Plate,shaft S | 29 |
| 4140-00-147-5864 | Nose Assembly,fan | 28 |
| 4130-00-469-5064 | Sight Assembly,oil | 26 |
| 4130-00-394-9441 | Piston Assembly,compressor | 25 |
Top Manufacturers
| Company | Country | NSN Count |
|---|---|---|
| Rotron Incorporated | USA | 3,178 |
| Johnson Controls Navy Systems, Llc | USA | 2,615 |
| Carrier Corp | USA | 1,873 |
| Fm Af, Llc Dba American Fan Company | USA | 1,800 |
| Zf Industrieantriebe Witten Gmbh | DEU | 1,744 |
| Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil | USA | 1,676 |
| Copeland Corp | USA | 836 |
| Drs Environmental Systems Inc | USA | 777 |
| Naval Sea Systems Command | USA | 771 |
| Hdt Expeditionary Systems Inc | USA | 741 |
About Refrigeration, AC, and Air Circulating Equipment
PartsTable provides technical data for 89,975 active National Stock Numbers in the Refrigeration, AC, and Air Circulating Equipment category (Federal Supply Group 41), cited from the U.S. Government catalog. The largest Federal Supply Class within this group is Refrigeration and Air Conditioning Components (FSC 4130) with 43,540 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.