The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-485-0844, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Johnson Controls Navy Systems, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-485-0844 |
| Primary Part Number | 476-84003-000 PC 244 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| 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 |
|---|---|
| 476-84003-000 PC 244 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| 635B-4-6-22 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 635B-4-6-22 CLS | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 022-09603 | 5/1 Secondary reference Johnson Controls Navy Systems, Llc |
| 635B-4-6-22 | 5/9 Secondary reference U.S. Government activity |
| D7-1063-8 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-485-0844 is a Valve,pressure Equalizing,gaseou, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-485-0844 has 3 manufacturer part numbers on file: 476-84003-000 PC 244 (Johnson Controls Navy Systems, Llc), 635B-4-6-22 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 635B-4-6-22 CLS (Naval Inventory Control Point Mechanicsburg).
Key specifications for 476-84003-000 PC 244: Part Name Assigned by Controlling Agency: INAVY VALVE ANGLE RELIEF; End Item Identification: VALVE RLF .25 IPS 115T250PSI BRS. 0 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.