The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-016-4241, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-016-4241 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK, FLAT |
| First End Thread Direction | RIGHT-HAND |
| Body Style | SINGLE CONNECTION, STRAIGHT FLOW |
| First End Thread Class | 2A A |
| First End Style Designator | EXTERNAL SEAT FOR GASKET SEAL |
| End Connection Quantity | 1 |
| Valve Venting Design Type | ATMOSPHERIC |
| Disk Loading Method | SPRING |
| First End Connection Type | THREADED EXTERNAL BOSS |
| Surface Treatment | ANODIZE OUTSIDE |
| Material | RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY BODY |
| Furnished Items | NUT |
| Valve Relief Design Type | PRESSURE AND VACUUM |
| 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 |
|---|---|
| 433-1962 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| TC78V-07-25-05 | 3/2 Design control — primary reference U.S. Government activity |
| XTC01V06 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-016-4241 is a Valve,pressure Equalizing,gaseou, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-016-4241: Flow Control Device: DISK, FLAT; First End Thread Direction: RIGHT-HAND; Body Style: SINGLE CONNECTION, STRAIGHT FLOW; First End Thread Class: 2A A. 15 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.