The Seat,valve, cataloged under National Stock Number 4810-00-218-2001, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-218-2001 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Flange Diameter | 2.612 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.234 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.380 INCHES NOMINAL IN |
| Under Flange Height | 0.797 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 182207-3023 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 182207-3023 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 182207-3023 | 5/9 Secondary reference Ingersoll Rand Co |
| 182207-3023 | 5/9 Secondary reference U.S. Government activity |
NSN 4810-00-218-2001 is a Seat,valve, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-00-218-2001: Flange Seat to Disk End Height: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Flange Diameter: 2.612 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN; Body Outside Diameter: 2.234 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 8 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.