The Cover,oil Separator, cataloged under National Stock Number 4930-00-423-0686, is classified within Federal Supply Class 4930 (Lubrication and Fuel Dispensing Equipment) of the Maintenance and Repair Shop Equipment group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cover,oil Separator |
| FSC / FSG | 4930 — Lubrication and Fuel Dispensing Equipment (FSG 49) |
| Parameter | Value |
|---|---|
| NSN | 4930-00-423-0686 |
| Item Name | Cover,oil Separator |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 44899 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 49289 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 49289 | 3/2 Design control — primary reference U.S. Government activity |
| 49289 | 5/9 Secondary reference Drs Environmental Systems Inc |
NSN 4930-00-423-0686 is a Cover,oil Separator, classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5340-00-491-3470, 6140-00-900-8537, 4730-01-053-6645. Verify interchangeability with system specifications before substitution.
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.