The Seat,valve, cataloged under National Stock Number 4820-00-446-6353, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is General Electric Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-446-6353 |
| Primary Part Number | 5329724G5 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 1.562 INCHES NOMINAL IN |
| Flange Diameter | 8.445 INCHES MINIMUM AND 8.450 INCHES MAXIMUM IN |
| Body Outside Diameter | 8.002 INCHES MINIMUM AND 8.003 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 5.281 INCHES NOMINAL IN |
| Seat Radius | 0.344 INCHES NOMINAL IN |
| Under Flange Height | 1.188 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Seating Surface Shape | RADIAL |
| 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 |
|---|---|
| 5329724G5 | General Electric Company (USA) |
| 5329724P64 | General Electric Company (USA) |
| 5329198P8 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 5329724P64 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 5329724G5 | 5/9 Secondary reference U.S. Government activity |
| 5329724G5 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 5329198P8 | 3/9 Design control — primary reference General Electric Co Switchgear and Control Division of Apparatus Group |
NSN 4820-00-446-6353 is a Seat,valve, manufactured by General Electric Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-446-6353 has 3 manufacturer part numbers on file: 5329724G5 (General Electric Company), 5329724P64 (General Electric Company), 5329198P8 (General Electric Company).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-446-6354. Verify interchangeability with system specifications before substitution.
Key specifications for 5329724G5: Flange Seat to Disk End Height: 1.562 INCHES NOMINAL IN; Flange Diameter: 8.445 INCHES MINIMUM AND 8.450 INCHES MAXIMUM IN; Body Outside Diameter: 8.002 INCHES MINIMUM AND 8.003 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.