The Valve,check, cataloged under National Stock Number 4820-01-633-2894, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-633-2894 |
| Primary Part Number | H547-0001-A319C1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| H547-0001-A319C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 284060-0001C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211003048C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 11-NS-0369C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| CD-023-28C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-A319C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7383858-A319 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 211003048 | 5/1 Secondary reference U.S. Government activity |
| CD-023-28 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| H547-0001-A319 | 5/1 Secondary reference U.S. Government activity |
| 11-NS-0369 | 5/1 Secondary reference U.S. Government activity |
| 284060-0001 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-01-633-2894 is a Valve,check, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-633-2894 has 6 manufacturer part numbers on file: H547-0001-A319C1 (Naval Inventory Control Point Mechanicsburg), 284060-0001C1 (Naval Inventory Control Point Mechanicsburg), 211003048C1 (Naval Inventory Control Point Mechanicsburg), 11-NS-0369C1 (Naval Inventory Control Point Mechanicsburg), CD-023-28C1 (Naval Inventory Control Point Mechanicsburg) and 1 more.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-633-2894 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.