The Valve,pressure, cataloged under National Stock Number 4820-01-049-5158, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker Hannifin Corporation Div Chelsea Products Division. Government technical data includes 1 specification, 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. 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 | 4820-01-049-5158 |
| Primary Part Number | 378414 |
| Item Name | Valve,pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker Hannifin Corporation Div Chelsea Products Division |
| Status | ACTIVE |
| General Characteristics Item Description | MAXIMUN OPERATING PRESSURE 65 PSI |
| 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 |
|---|---|
| 378414 PRIMARY | Parker Hannifin Corporation Div Chelsea Products Division (USA) |
NSN 4820-01-049-5158 is a Valve,pressure, manufactured by Parker Hannifin Corporation Div Chelsea Products Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-049-5158 has 1 manufacturer part number on file: 378414 (Parker Hannifin Corporation Div Chelsea Products Division).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-132-0583. Verify interchangeability with system specifications before substitution.
Key specifications for 378414: General Characteristics Item Description: MAXIMUN OPERATING PRESSURE 65 PSI. 1 specification is 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.