The Module Hydraulic, cataloged under National Stock Number 4820-01-672-7782, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Aeropower Corporation. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | Module Hydraulic |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Pall Aeropower Corporation (CAGE 18350) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-672-7782 |
| Primary Part Number | AEC71720 |
| Item Name | Module Hydraulic |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pall Aeropower Corporation |
| 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 |
|---|---|
| 8592145-01 | Naval Sea Systems Command (USA) |
| 556-8592159 FN 21 | Naval Sea Systems Command (USA) |
| AEC71720 PRIMARY | Pall Aeropower Corporation (USA) |
| 556-8592145 FN 1 | Naval Sea Systems Command (USA) |
NSN 4820-01-672-7782 is a Module Hydraulic, manufactured by Pall Aeropower Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-672-7782 has 4 manufacturer part numbers on file: 8592145-01 (Naval Sea Systems Command), 556-8592159 FN 21 (Naval Sea Systems Command), AEC71720 (Pall Aeropower Corporation), 556-8592145 FN 1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-672-8152. 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.