The Disk,valve, cataloged under National Stock Number 4820-01-084-8355, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-084-8355 |
| Primary Part Number | 90P308-S-R |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace Llc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 90P308-S-R | Eaton Aerospace Llc (USA) |
| 90P308-S-RCP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 90P308-S-R | 3/9 Design control — primary reference Eaton Corporation Dba Eaton Inoac Div Eaton |
| 90P308-S-R | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-084-8355 is a Disk,valve, manufactured by Eaton Aerospace Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-084-8355 has 2 manufacturer part numbers on file: 90P308-S-R (Eaton Aerospace Llc), 90P308-S-RCP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 90P308-S-R: Criticality Code Justification: FEAT; Special Features: CLEANING, PACKAGING AND MARKING IAW MIL-STD-1330D. 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.