The Valve,vent, cataloged under National Stock Number 4820-01-600-8922, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-600-8922 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Size | 3.0 INCHES IN |
| Material | STEEL COMP 316 BODY |
| 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 |
|---|---|
| 503040-01-2 | 5/9 Secondary reference Tri-Tec Manufacturing, Llc |
| 503040-01-2 | 3/2 Design control — primary reference U.S. Government activity |
| 301314 ASSY 503040-01-2 | 5/2 Secondary reference U.S. Government activity |
| 250304-01-2 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-600-8922 is a Valve,vent, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-600-8922: Valve Size: 3.0 INCHES IN; Special Features: ROUND CLOSURE; ELECTRIC OPERATOR; RH WORMGEAR CONSTRUCTION; OPERATOR IS MOUNTED IN THE AFT ORIENTATION; SPECIFIC LUGS ON FLANGE ARE TAPPED, OTHERS ARE DRILLED FOR CLEARANCE; ENGINEERING CONTACT [email protected]; Material: STEEL COMP 316 BODY. 2 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.