The Disk,valve, cataloged under National Stock Number 4820-01-357-7174, 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 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-357-7174 |
| Primary Part Number | 801-6408788-67 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.367 INCHES NOMINAL IN |
| Style Designator | SWING CHECK |
| 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 |
|---|---|
| 6408788 PART 211057743 | Naval Sea Systems Command (USA) |
| 211093277 | Naval Sea Systems Command (USA) |
| 801-6408788-67 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 211057743 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4820-01-357-7174 is a Disk,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-357-7174 has 3 manufacturer part numbers on file: 6408788 PART 211057743 (Naval Sea Systems Command), 211093277 (Naval Sea Systems Command), 801-6408788-67 (Naval Sea Systems Command).
Key specifications for 801-6408788-67: Flange Seat to Disk End Height: 0.367 INCHES NOMINAL IN; Style Designator: SWING CHECK. 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.