The Valve,vent, cataloged under National Stock Number 4820-00-677-5525, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Conax Florida Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-677-5525 |
| Primary Part Number | C2050TYPEIV |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Conax Florida Corporation |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Series Designator | ANPT SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C2050TYPEIV PRIMARY | Conax Florida Corporation (USA) |
| Reference | Meaning |
|---|---|
| 311000-15 | 3/2 Design control — primary reference U.S. Government activity |
| C2050TYPEIV | 5/9 Secondary reference American Safety Flight Systems Inc |
NSN 4820-00-677-5525 is a Valve,vent, manufactured by Conax Florida Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-677-5525 has 1 manufacturer part number on file: C2050TYPEIV (Conax Florida Corporation).
Key specifications for C2050TYPEIV: Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END; Operating Pressure: 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 8 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 4820-00-677-5525 has DEMIL Code Q. 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.