The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-306-2035, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-306-2035 |
| Primary Part Number | 331788A01 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Second End Relationship with First End | NOT IDENTICAL |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| Supplementary Features | NEXT ASSY P/N 331222G02,NSN 4130-01-225-3840 |
| End Connection Quantity | 3 |
| Media for Which Designed | FREON 12 USE REFRIGERANT R-12 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 331788A01 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 331788A01 | 5/9 Secondary reference Howden Fluid Systems |
NSN 4820-01-306-2035 is a Valve,regulating,fluid Pressure, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-306-2035 has 1 manufacturer part number on file: 331788A01 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for 331788A01: Second End Relationship with First End: NOT IDENTICAL; Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END; Supplementary Features: NEXT ASSY P/N 331222G02,NSN 4130-01-225-3840; End Connection Quantity: 3. 5 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.
NSN 4820-01-306-2035 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.