The Seat,valve, cataloged under National Stock Number 4820-01-508-4376, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Metso Automation Usa, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-508-4376 |
| Primary Part Number | 002-1155-50 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Metso Automation Usa, Inc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 002-1155-50 PRIMARY | Metso Automation Usa, Inc (USA) |
| 1/2-4AB-3600TT-3 PIECE 5 | Metso Automation Usa, Inc (USA) |
NSN 4820-01-508-4376 is a Seat,valve, manufactured by Metso Automation Usa, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-508-4376 has 2 manufacturer part numbers on file: 002-1155-50 (Metso Automation Usa, Inc), 1/2-4AB-3600TT-3 PIECE 5 (Metso Automation Usa, Inc).
Key specifications for 002-1155-50: Part Name Assigned by Controlling Agency: SEAT; End Item Identification: 1/2 INCH STANDARD PORT BALL VALVE IN; 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.