The Seat,valve, cataloged under National Stock Number 4820-01-666-2607, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-666-2607 |
| Primary Part Number | 561-206-080-H2W-005 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Material Document and Classification | GMS-06635 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| 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 |
|---|---|
| 561-206-080-H2W-005 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
| Reference | Meaning |
|---|---|
| 101-H7L-08 ITEM NO. 17 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
| 101-H7L-08 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
NSN 4820-01-666-2607 is a Seat,valve, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-666-2607 has 1 manufacturer part number on file: 561-206-080-H2W-005 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for 561-206-080-H2W-005: Material Document and Classification: GMS-06635 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Special Features: MATERIAL RTFE; Part Name Assigned by Controlling Agency: SEAT,FIRESAFE; End Item Identification: BUTTERFLY VALVE DRAWING 101-H7L-08. 1 specification is 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.