The Seat Ring,upper, cataloged under National Stock Number 4820-01-159-1248, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-159-1248 |
| Item Name | Seat Ring,upper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| 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 |
|---|---|
| 10236-31-596 PIECE 9 | 3/9 Design control — primary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| 10236-31-596 PI | C/1 Advisory reference — outside the item-of-supply concept Eastern Controls Inc |
NSN 4820-01-159-1248 is a Seat Ring,upper, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-159-1248: End Item Identification: VALVE,DIAPHRAM. 0 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.