The Compressor Unit,reciprocating, cataloged under National Stock Number 4310-00-997-6004, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4310-00-997-6004 |
| Item Name | Compressor Unit,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| Cooling System Design | SINGLE |
| Duty Cycle in Percent | 100 |
| Control Device Type | AUTOMOTIVE SPEED REGULATOR |
| Stage Quantity | 4 |
| Cylinder Quantity | 4 |
| Reciprocating Compressor Design | SINGLE ACTING |
| Safety Device Type | RELIEF VALVE |
| Cylinder Arrangement Style | L DESIGN |
| Intake Connection Quantity | 1 |
| Prime Mover Type | GASOLINE ENGINE |
| Compressor Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| 893811 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 893811 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 893811 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| MILC52477 | 4/1 Identification reference U.S. Government activity |
NSN 4310-00-997-6004 is a Compressor Unit,reciprocating, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-300-3544, 6685-01-328-7447, 6920-01-662-5261. Verify interchangeability with system specifications before substitution.
Key specifications for 4310-00-997-6004: Cooling System Design: SINGLE; Duty Cycle in Percent: 100; Control Device Type: AUTOMOTIVE SPEED REGULATOR; Stage Quantity: 4. 11 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.