The Valve,flow Control, cataloged under National Stock Number 4820-01-663-9896, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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,flow Control |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Eaton Corporation Dba Eaton Inoac (CAGE 0DT23) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-663-9896 |
| Primary Part Number | 64514BZ |
| Item Name | Valve,flow Control |
| 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 |
|---|---|
| 64514BZ | Eaton Corporation Dba Eaton Inoac (USA) |
| Reference | Meaning |
|---|---|
| 810322 | D/9 Drawing number reference only U.S. Government activity |
| 810322-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-663-9896 is a Valve,flow Control, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-663-9896 has 1 manufacturer part number on file: 64514BZ (Eaton Corporation Dba Eaton Inoac).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-708-9435. 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.