The Disk,valve, cataloged under National Stock Number 4810-01-143-9488, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Thomas Instrument, Incorporated. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4810-01-143-9488 |
| Primary Part Number | 3219-056 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 3219-056 | Thomas Instrument, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 3219-056 | 3/9 Design control — primary reference Woodward Hrt, Inc. Dba Woodward Hrt Inc |
| 10109183 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3219-056 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4810-01-143-9488 is a Disk,valve, manufactured by Thomas Instrument, Incorporated, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-143-9488 has 1 manufacturer part number on file: 3219-056 (Thomas Instrument, Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-225-2889. Verify interchangeability with system specifications before substitution.
Key specifications for 3219-056: Material: STEEL. 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.