The Seat,valve, cataloged under National Stock Number 4820-01-176-8486, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Conax Florida Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-176-8486 |
| Primary Part Number | 7820011-1 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Conax Florida Corporation |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.077 INCHES NOMINAL IN |
| Flange Diameter | 0.482 INCHES NOMINAL IN |
| Body Outside Diameter | 0.307 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.073 INCHES NOMINAL IN |
| Under Flange Height | 0.048 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 7820011-1 PRIMARY | Conax Florida Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7820011-1 | 5/9 Secondary reference American Safety Flight Systems Inc |
NSN 4820-01-176-8486 is a Seat,valve, manufactured by Conax Florida Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-176-8486 has 1 manufacturer part number on file: 7820011-1 (Conax Florida Corporation).
Key specifications for 7820011-1: Flange Seat to Disk End Height: 0.077 INCHES NOMINAL IN; Flange Diameter: 0.482 INCHES NOMINAL IN; Body Outside Diameter: 0.307 INCHES NOMINAL 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.
NSN 4820-01-176-8486 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.