The Seat,valve, cataloged under National Stock Number 4820-00-336-5607, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-336-5607 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.063 INCHES NOMINAL IN |
| Flange Diameter | 0.781 INCHES NOMINAL IN |
| Body Outside Diameter | 0.690 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN |
| Seal Accommodation Type | SLEEVE |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Under Flange Height | 0.530 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Seat Angle in Deg | 45.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 522512 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-336-5607 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-336-5607: Flange Seat to Disk End Height: 0.063 INCHES NOMINAL IN; Flange Diameter: 0.781 INCHES NOMINAL IN; Body Outside Diameter: 0.690 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN; Seal Accommodation Type: SLEEVE. 10 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.
NSN 4820-00-336-5607 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.