The Disk,valve, cataloged under National Stock Number 4820-00-451-8011, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Emerson Automation Solutions Final Control Sales Australia Pty Limited (CAGE Z4R74); Emerson Automation Solutions Final Control Us Lp (CAGE 04613); Lee Evans, Inc. (CAGE 0DKH2) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-451-8011 |
| Primary Part Number | 103-204-040-100-000 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 317923 | Emerson Automation Solutions Final Control Sales Australia Pty Limited (AUS) |
| 103-204-040-100-000 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| 800471 | Lee Evans, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 204-4-100 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp |
| 4820PL1341525 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-00-451-8011 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-451-8011 has 3 manufacturer part numbers on file: 317923 (Emerson Automation Solutions Final Control Sales Australia Pty Limited), 103-204-040-100-000 (Emerson Automation Solutions Final Control Us Lp), 800471 (Lee Evans, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6160-01-390-8142, 6150-01-492-1593. Verify interchangeability with system specifications before substitution.
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.