The Compressor,reciprocating, cataloged under National Stock Number 4310-01-320-2764, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-320-2764 |
| Primary Part Number | 40320 |
| Item Name | Compressor,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor |
| Status | ACTIVE |
| Cooling System Design | SINGLE |
| Drive Connection Type | MULTISTRAND V-BELT |
| Discharge Pressure | 250.000 POUNDS PER SQUARE INCH GAGE LBS |
| Compressor Speed at Rated Capacity in RPM | 940.0 |
| Stage Quantity | 2 |
| Cylinder Quantity | 4 |
| Reciprocating Compressor Design | SINGLE ACTING |
| Cylinder Arrangement Style | "V" DESIGN |
| Discharge Flow Rate | 84.5000 CUBIC FEET PER MINUTE |
| Cooling Medium | FRESH WATER AND SALT WATER COMPRESSOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 551-5104363 | Naval Sea Systems Command (USA) |
| 40320 PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
NSN 4310-01-320-2764 is a Compressor,reciprocating, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-320-2764 has 2 manufacturer part numbers on file: 551-5104363 (Naval Sea Systems Command), 40320 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
5 possible matches (shared part number, not a government interchangeability claim): 3120-01-400-1144, 3419-01-502-3640, 9150-01-544-6047. Verify interchangeability with system specifications before substitution.
Key specifications for 40320: Cooling System Design: SINGLE; Drive Connection Type: MULTISTRAND V-BELT; Discharge Pressure: 250.000 POUNDS PER SQUARE INCH GAGE LBS; Compressor Speed at Rated Capacity in RPM: 940.0. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.