The Parts Kit,butterfly Valve, cataloged under National Stock Number 4820-01-554-5400, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-554-5400 |
| Primary Part Number | 440-206-180-139-300 |
| Item Name | Parts Kit,butterfly 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 440-206-180-139-300 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| D139-18-954ITEM4 | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| 440-206-180-139-000 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp |
NSN 4820-01-554-5400 is a Parts Kit,butterfly Valve, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-554-5400 has 2 manufacturer part numbers on file: 440-206-180-139-300 (Emerson Automation Solutions Final Control Us Lp), D139-18-954ITEM4 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for 440-206-180-139-300: Special Features: SEAT MADE OF VITON. INCLUDES 1X VITON SEAT P/N 440-206-180-139-000 AND 2X BUNA(N) O-RINGS P/N 230-927-225-730-000.; Part Name Assigned by Controlling Agency: PARTS KIT BUTTERFLY VALVE; End Item Identification: CVN REACTOR BOUNDRY AREA; BUTTERFLY VALVE 18.0IN IN. 0 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.