The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-298-8593, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc Dba Honeywell Div Consumer Products Group. Government technical data includes 4 specifications, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-298-8593 |
| Primary Part Number | 33654 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc Dba Honeywell Div Consumer Products Group |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Thread Series Designator | UNS FIRST END |
| Valve Operation Method | HYDRAULIC |
| 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 |
|---|---|
| 33654 PRIMARY | Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA) |
NSN 4820-01-298-8593 is a Valve,bleeder,hydraulic System, manufactured by Honeywell International Inc Dba Honeywell Div Consumer Products Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-298-8593 has 1 manufacturer part number on file: 33654 (Honeywell International Inc Dba Honeywell Div Consumer Products Group).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-329-3448, 7025-01-553-6040. Verify interchangeability with system specifications before substitution.
Key specifications for 33654: Connection Type: THREADED EXTERNAL TUBE FIRST END; Thread Direction: RIGHT-HAND FIRST END; Thread Series Designator: UNS FIRST END; Valve Operation Method: HYDRAULIC. 4 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.