The Seat,valve, cataloged under National Stock Number 4820-01-696-4818, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-696-4818 |
| Primary Part Number | 845-7285297-PIECE 33 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 845-8616950-ITEM 14 | Naval Sea Systems Command (USA) |
| 845-7285297-PIECE 33 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2640-801X1-PIECE 33 | 5/2 Secondary reference U.S. Government activity |
| 2644-752-01-ITEM 14 | 5/2 Secondary reference U.S. Government activity |
| 7285297 | D/9 Drawing number reference only Naval Sea Systems Command |
| 8616950/ SHEET 9 FIND 14 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 7285297/ SHEET 2 FIND 33 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4820-01-696-4818 is a Seat,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-696-4818 has 2 manufacturer part numbers on file: 845-8616950-ITEM 14 (Naval Sea Systems Command), 845-7285297-PIECE 33 (Naval Sea Systems Command).
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.