The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-152-7709, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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 | 4820-01-152-7709 |
| Primary Part Number | 12312039 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| 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 |
| Operating Pressure | 1.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM AND 2.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Valve Venting Design Type | ATMOSPHERIC |
| Disk Loading Method | SPRING |
| First End Connection Type | THREADED EXTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 0.750 INCHES IN |
| Material | ALUMINUM ALLOY BODY |
| Media for Which Designed | AIR |
| Furnished Items | GASKET AND NUT AND WASHER |
| 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 |
|---|---|
| 12312039 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4820-01-152-7709 is a Valve,pressure Equalizing,gaseou, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-152-7709 has 1 manufacturer part number on file: 12312039 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12312039: 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.