The Valve,check Oil Fil, cataloged under National Stock Number 4820-01-185-8904, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,check Oil Fil |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAGE 00198); Pilatus Aircraft Ltd (CAGE S4080) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-185-8904 |
| Primary Part Number | 3104370-01 |
| Item Name | Valve,check Oil Fil |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3104370-01 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 9682011497 | Pilatus Aircraft Ltd (CHE) |
| Reference | Meaning |
|---|---|
| 3024560 | 5/9 Secondary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| 968.20.11.497 | 5/9 Secondary reference Pilatus Aircraft Ltd |
NSN 4820-01-185-8904 is a Valve,check Oil Fil, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-185-8904 has 2 manufacturer part numbers on file: 3104370-01 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 9682011497 (Pilatus Aircraft Ltd).
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.