The Gear Operator,valve, cataloged under National Stock Number 4820-01-547-2261, 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 Dba Marine Product Team Div Marine Product Team. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (CAGE 1X5W8); Emerson Automation Solutions Final Control Us Lp (CAGE 04613) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-547-2261 |
| Primary Part Number | ZNB40-LH-B6 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team |
| 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 |
|---|---|
| ZNB40-LH-B6 PRIMARY | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (USA) |
| ZNB40-LH-B6 | Emerson Automation Solutions Final Control Us Lp (USA) |
| TFC-VA-00731 P/N ZNB40-LH-B6 | Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (USA) |
| Reference | Meaning |
|---|---|
| ZNB40-B6-LH-B6 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team |
| TFC-VA-00731 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team |
NSN 4820-01-547-2261 is a Gear Operator,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-547-2261 has 3 manufacturer part numbers on file: ZNB40-LH-B6 (Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team), ZNB40-LH-B6 (Emerson Automation Solutions Final Control Us Lp), TFC-VA-00731 P/N ZNB40-LH-B6 (Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-579-5154. 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.