The Valve,vent, cataloged under National Stock Number 4820-00-225-0147, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-225-0147 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Connection Style | FLARE(TUBE) FIRST END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Thread Class | 2B FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNEF ALL ENDS |
| 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 |
|---|---|
| LP1306-1 | 3/9 Design control — primary reference Cooper Industries Inc Cooper Hand Tools Div Turner Plant |
| LP1306-1 | C/1 Advisory reference — outside the item-of-supply concept Newell Rubbermaid Inc Dba Newell Div Bernzomatic |
| LP1306 | 5/9 Secondary reference Cooper Industries Inc Cooper Hand Tools Div Turner Plant |
NSN 4820-00-225-0147 is a Valve,vent, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-225-0147: Connection Style: FLARE(TUBE) FIRST END; Connection Style: PLAIN (TUBE) SECOND END; Connection Type: THREADED EXTERNAL TUBE SECOND END; Connection Type: THREADED INTERNAL TUBE FIRST END. 13 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.