The Valve,butterfly, cataloged under National Stock Number 4810-01-538-9604, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Lexair Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Valve,butterfly |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | Ja Moody Llc (CAGE 3B558); Lexair Inc (CAGE 56607) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-538-9604 |
| Primary Part Number | TFC-VA-00657 5.0IN |
| Item Name | Valve,butterfly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Lexair Inc |
| 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 |
|---|---|
| TFC-VA-00657 5.0IN | Ja Moody Llc (USA) |
| TFC-VA-00657 5.0IN PRIMARY | Lexair Inc (USA) |
| Reference | Meaning |
|---|---|
| TFC-VA-00657 5.0IN | 3/9 Design control — primary reference Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team |
| TFC-VA-00657 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team |
NSN 4810-01-538-9604 is a Valve,butterfly, manufactured by Lexair Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-538-9604 has 2 manufacturer part numbers on file: TFC-VA-00657 5.0IN (Ja Moody Llc), TFC-VA-00657 5.0IN (Lexair Inc).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-540-7556. 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.