The Valve,vent, cataloged under National Stock Number 4820-01-174-9369, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rix Industries. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-174-9369 |
| Primary Part Number | A515-2-1 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| A515-2-1 PRIMARY | Rix Industries (USA) |
| D48CUU-04H-1/2-1 | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D48CUU-04H-1/2-1 | 5/9 Secondary reference Danco Valve Company |
| 202928926SS | C/1 Advisory reference — outside the item-of-supply concept Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| D48CUU-04 1/2 X 1 | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-174-9369 is a Valve,vent, manufactured by Rix Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-174-9369 has 2 manufacturer part numbers on file: A515-2-1 (Rix Industries), D48CUU-04H-1/2-1 (Dante Valve Company).
Key specifications for A515-2-1: Special Features: VALVE SZ 0.500 IN. BY 1.000 IN.VALVE SZ 0.500 IN. BY 1.000 IN. IN; End Item Identification: LP COMPRESSORSLP COMPRESSORS; Material: COPPER ALLOY BODY. 1 specification is 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.