The Valve,seatless, cataloged under National Stock Number 4820-00-371-8449, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-371-8449 |
| Item Name | Valve,seatless |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Extra Long Reference Number | 6209-419PCATOCA2B370H353TOL343TO P3R3 TO 2304 TO HYJ4 TO 4U4Y4C5F5 TO H555 TO B6 |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6209-419PCATOCA2B370H353TOL343T- | 3/1 Design control — primary reference U.S. Government activity |
NSN 4820-00-371-8449 is a Valve,seatless, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-371-8449: Extra Long Reference Number: 6209-419PCATOCA2B370H353TOL343TO P3R3 TO 2304 TO HYJ4 TO 4U4Y4C5F5 TO H555 TO B6; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER. 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.