The Parts Kit,check Valve, cataloged under National Stock Number 4820-00-678-9470, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt Troy Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-678-9470 |
| Primary Part Number | 2671498 |
| Item Name | Parts Kit,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Meggitt Troy Inc |
| Status | ACTIVE |
| Component Quantity | 3 |
| Supply Items and Quantities | 78385 2670123 PISTON,VALVE 1,78385 2671435 SEAT ASSEMBLY 1,78385 801-163-010 BACKUP RING 1 |
| 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 |
|---|---|
| 2671498 PRIMARY | Meggitt Troy Inc (USA) |
| 3W54135 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 3W54135 | 5/9 Secondary reference U.S. Government activity |
| 3W54135 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 3W54135 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 4820-00-678-9470 is a Parts Kit,check Valve, manufactured by Meggitt Troy Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-678-9470 has 2 manufacturer part numbers on file: 2671498 (Meggitt Troy Inc), 3W54135 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 2671498: Component Quantity: 3; Supply Items and Quantities: 78385 2670123 PISTON,VALVE 1,78385 2671435 SEAT ASSEMBLY 1,78385 801-163-010 BACKUP RING 1. 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.