The Valve,throttle, cataloged under National Stock Number 4820-01-483-8666, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydac Corp. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-483-8666 |
| Primary Part Number | 705440 |
| Item Name | Valve,throttle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydac Corp |
| 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 |
|---|---|
| DVE-16-01.X/12 | Airline Hydraulics Corp Dba Airline Hydraulics Corp (USA) |
| 705440 PRIMARY | Hydac Corp (USA) |
| 705440 | Womack Machine Supply Co., Llc Dba Evolution Motion Solutions (USA) |
| Reference | Meaning |
|---|---|
| 7A8-08531 | 5/9 Secondary reference Airline Hydraulics Corp Dba Airline Hydraulics Corp |
| 7A8-08531 REV.H ITEM NO 2 | 5/9 Secondary reference Airline Hydraulics Corp Dba Airline Hydraulics Corp |
| DVE16320-01-C-V | 5/9 Secondary reference Hydac Corp |
NSN 4820-01-483-8666 is a Valve,throttle, manufactured by Hydac Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-483-8666 has 3 manufacturer part numbers on file: DVE-16-01.X/12 (Airline Hydraulics Corp Dba Airline Hydraulics Corp), 705440 (Hydac Corp), 705440 (Womack Machine Supply Co., Llc Dba Evolution Motion Solutions).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-698-7152. Verify interchangeability with system specifications before substitution.
Key specifications for 705440: Special Features: LHD 5 AND LATER HULLS:ORDER BY DRW.NO 7D8-06478; End Item Identification: WASP CLASS LHD. 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.