The Stem,fluid Valve, cataloged under National Stock Number 4820-01-370-9411, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-370-9411 |
| Primary Part Number | DAA7229D120-001 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TYPE II (SF-127) FED SPEC SINGLE TREATMENT RESPONSE |
| Largest Outside Diameter | 0.432 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| Stem Actuating End Type | ROUNDED |
| Material Document and Classification | QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| DAA7229D120-001 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| DAA7229D120-001 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 4820-01-370-9411 is a Stem,fluid Valve, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-370-9411 has 1 manufacturer part number on file: DAA7229D120-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for DAA7229D120-001: Surface Treatment Document and Classification: QQ-P-35,TYPE II (SF-127) FED SPEC SINGLE TREATMENT RESPONSE; Largest Outside Diameter: 0.432 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN; Stem Actuating End Type: ROUNDED; Material Document and Classification: QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE. 6 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.