The Seat,valve, cataloged under National Stock Number 4820-01-119-0586, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lexair Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-119-0586 |
| Primary Part Number | 304-206-100-100-003 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lexair Inc |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Body Inside Diameter | 10.000 INCHES NOMINAL IN |
| Material | RUBBER POLYBUTADIENE 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 |
| Part Number | Manufacturer |
|---|---|
| 304-206-100-100-003 PRIMARY | Lexair Inc (USA) |
| 304-206-100-100-003 | Ja Moody Llc (USA) |
| Reference | Meaning |
|---|---|
| 304-206-100-100-003 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp |
| 39-2-1 ITEM6 VALVE 11-2-1R10.0 | 3/9 Design control — primary reference Emerson Automation Solutions Final Control Us Lp |
NSN 4820-01-119-0586 is a Seat,valve, manufactured by Lexair Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-119-0586 has 2 manufacturer part numbers on file: 304-206-100-100-003 (Lexair Inc), 304-206-100-100-003 (Ja Moody Llc).
Key specifications for 304-206-100-100-003: Style Designator: PLAIN; Body Inside Diameter: 10.000 INCHES NOMINAL IN; Material: RUBBER POLYBUTADIENE OVERALL; Seating Surface Shape: FLAT. 4 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.