The Seat,valve, cataloged under National Stock Number 4820-01-357-5842, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-357-5842 |
| Primary Part Number | 211058432 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Outside Diameter | 1.748 INCHES NOMINAL IN |
| Body Inside Diameter | 1.152 INCHES NOMINAL IN |
| Material | PLASTIC ACETAL OVERALL |
| 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 |
|---|---|
| 801-6408780-67 | Naval Sea Systems Command (USA) |
| 6408780 PART 211058432 | Naval Sea Systems Command (USA) |
| 211058432 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4820-01-357-5842 is a Seat,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-357-5842 has 3 manufacturer part numbers on file: 801-6408780-67 (Naval Sea Systems Command), 6408780 PART 211058432 (Naval Sea Systems Command), 211058432 (Naval Sea Systems Command).
Key specifications for 211058432: Overall Height: 0.313 INCHES NOMINAL IN; Body Outside Diameter: 1.748 INCHES NOMINAL IN; Body Inside Diameter: 1.152 INCHES NOMINAL IN; Material: PLASTIC ACETAL OVERALL. 3 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.