The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-028-1423, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-028-1423 |
| Primary Part Number | 2508992 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flow Control Device | DISK, CIRCULAR |
| First End Thread Direction | RIGHT-HAND |
| Body Style | SINGLE CONNECTION, STRAIGHT FLOW |
| First End Style Designator | PLAIN |
| End Connection Quantity | 1 |
| Valve Venting Design Type | ATMOSPHERIC |
| Disk Loading Method | SPRING |
| First End Connection Type | THREADED EXTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 1.050 INCHES IN |
| Material | ALUMINUM ALLOY BODY |
| Media for Which Designed | AIR |
| Furnished Items | MANUAL UNLOADER ON VACUUM SIDE AND NUT AND GASKET AND WASHER |
| 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 |
| Part Number | Manufacturer |
|---|---|
| TA330-10C-10CR | Agm Container Controls Inc Dba Agm Container Controls Inc (USA) |
| 2508992 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| TA330-10C-10CR | 5/9 Secondary reference Arizona Gear and Mfg Co |
NSN 4820-01-028-1423 is a Valve,pressure Equalizing,gaseou, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-028-1423 has 2 manufacturer part numbers on file: TA330-10C-10CR (Agm Container Controls Inc Dba Agm Container Controls Inc), 2508992 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2508992: Flow Control Device: DISK, CIRCULAR; First End Thread Direction: RIGHT-HAND; Body Style: SINGLE CONNECTION, STRAIGHT FLOW; First End Style Designator: PLAIN. 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.