The Valve,angle, cataloged under National Stock Number 4820-01-490-0036, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-490-0036 |
| Primary Part Number | 6405227 ASSY 94 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | ANGLE |
| Material Document and Classification | ASTM B160, ALLOY C63200 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-N-281, CLASS A FED STD SINGLE MATERIAL RESPONSE BODY |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | NICKEL ALLOY 400 BODY |
| Material | COPPER ALLOY 632 FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 801-6405227 ASSY 94 | Naval Sea Systems Command (USA) |
| 6405227 ASSY 94 PRIMARY | Naval Sea Systems Command (USA) |
| 211042024 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| DF298851 ASSY 94 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 6405227 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-490-0036 is a Valve,angle, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-490-0036 has 4 manufacturer part numbers on file: 801-6405227 ASSY 94 (Naval Sea Systems Command), 6405227 ASSY 94 (Naval Sea Systems Command), 211042024 (Huntington Ingalls Inc Div Newport News Shipbuilding), DF298851 ASSY 94 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 6405227 ASSY 94: Flow Control Device: NEEDLE; Connection Style: PLAIN (TUBE) FIRST END; Connection Type: UNTHREADED EXTERNAL TUBE FIRST END; Connection Type: THREADED EXTERNAL TUBE SECOND END. 11 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 4820-01-490-0036 has DEMIL Code B. 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.