The Valve Assembly, cataloged under National Stock Number 4820-01-504-6971, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve Assembly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Eaton Corporation Dba Eaton Inoac (CAGE 0DT23) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-504-6971 |
| Primary Part Number | 64174AC |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Corporation Dba Eaton Inoac |
| 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 |
|---|---|
| 64174AC PRIMARY | Eaton Corporation Dba Eaton Inoac (USA) |
| Reference | Meaning |
|---|---|
| 64174 | D/9 Drawing number reference only Eaton Corporation Dba Eaton Inoac |
NSN 4820-01-504-6971 is a Valve Assembly, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-504-6971 has 1 manufacturer part number on file: 64174AC (Eaton Corporation Dba Eaton Inoac).
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.