The Seat,valve, cataloged under National Stock Number 4810-00-337-0974, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-00-337-0974 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 1.000 INCHES NOMINAL IN |
| Flange Diameter | 8.203 INCHES NOMINAL IN |
| Body Outside Diameter | 7.132 INCHES MINIMUM AND 7.133 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 6.000 INCHES NOMINAL IN |
| Under Flange Height | 1.125 INCHES NOMINAL IN |
| Material | CARBON AND MOLYBDENUM BODY |
| Seat Angle in Deg | 33.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| AE21-32V3-101 | 3/9 Design control — primary reference Bethlehem Steel Corp Shipbuilding Dept |
NSN 4810-00-337-0974 is a Seat,valve, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-00-337-0974: Flange Seat to Disk End Height: 1.000 INCHES NOMINAL IN; Flange Diameter: 8.203 INCHES NOMINAL IN; Body Outside Diameter: 7.132 INCHES MINIMUM AND 7.133 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 9 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.