The Disk,valve, cataloged under National Stock Number 4820-01-499-5948, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-499-5948 |
| Primary Part Number | A10633.001.000 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Style Designator | PLUG |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A10633.001.000 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20199 FIND NO. 38 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 20199 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4820-01-499-5948 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-499-5948 has 2 manufacturer part numbers on file: A10633.001.000 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20199 FIND NO. 38 (Northrop Grumman Systems Corporation).
Key specifications for A10633.001.000: Style Designator: PLUG; Special Features: NHA VALVE,RELIEF,PARTS INCLUDED,INSERT,PLATE,NUT; End Item Identification: SPRUANCE CLASS DD (963); Material: NICKEL ALLOY. 2 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.