The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-036-2181, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-036-2181 |
| Primary Part Number | 1298365-3 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flow Control Device | ANY ACCEPTABLE |
| First End Thread Direction | RIGHT-HAND |
| Temp Rating | 80.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Body Style | SINGLE CONNECTION, STRAIGHT FLOW |
| First End Style Designator | PLAIN |
| End Connection Quantity | 1 |
| Operating Pressure | 1.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Valve Venting Design Type | ATMOSPHERIC |
| First End Connection Type | THREADED INTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 1.250 INCHES IN |
| Material | PLASTIC POLYCARBONATE BODY |
| Media for Which Designed | PROTECTIVE DEVICE AGAINST EXCESSIVE INTERNAL AND EXTERNAL PRESSURES DURING AIR LIFT AND EXTREME TEMPERATURE CHANGES IN SHIPPING CONTAINERS |
| Valve Relief Design Type | PRESSURE AND VACUUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1298365-3 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4820-01-036-2181 is a Valve,pressure Equalizing,gaseou, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-036-2181 has 1 manufacturer part number on file: 1298365-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1298365-3: Flow Control Device: ANY ACCEPTABLE; First End Thread Direction: RIGHT-HAND; Temp Rating: 80.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Body Style: SINGLE CONNECTION, STRAIGHT FLOW. 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.
NSN 4820-01-036-2181 has DEMIL Code B. 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.