The Valve,angle, cataloged under National Stock Number 4820-00-844-5906, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-844-5906 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Connection Style | INVERTED FLARE(TUBE) ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | ANGLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.437 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Mounting Facility | BULKHEAD |
| Bonnet Attachment Method | INTEGRAL |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Thread Class | 3B ALL ENDS |
| Thread Quantity Per Inch | 20 ALL ENDS |
| Material | STEEL COMP 303 FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 360 SEAT |
| Material | COPPER ALLOY 360 BODY |
| Thread Series Designator | UNF ALL ENDS |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 148-4P | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-00-844-5906 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-844-5906: Flow Control Device: NEEDLE; Connection Style: INVERTED FLARE(TUBE) ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: ANGLE. 24 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.