The Seat,valve, cataloged under National Stock Number 4820-01-428-6377, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-428-6377 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| 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 |
|---|---|
| 8095104K | 3/2 Design control — primary reference U.S. Government activity |
| 100SKX3IN IT15 | 5/2 Secondary reference U.S. Government activity |
| 8095104K | C/1 Advisory reference — outside the item-of-supply concept Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc |
NSN 4820-01-428-6377 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-428-6377: Special Features: FOR PRESSURE REGULATING VALVE SZ 3.000 IN. IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT. 1 specification is 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.