The Piston,compressor, cataloged under National Stock Number 4310-01-007-1956, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4310-01-007-1956 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| Diameter | 4.501 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 46061 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 4310PL0636396 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 46061 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 46061 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4310-01-007-1956 is a Piston,compressor, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-207-2700, 6850-01-575-0351, 5120-01-680-2534. Verify interchangeability with system specifications before substitution.
Key specifications for 4310-01-007-1956: Diameter: 4.501 INCHES NOMINAL IN. 1 specification is 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.