The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-669-2027, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950); Rix Industries (CAGE 28953); Dante Valve Company (CAGE 5P967) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-669-2027 |
| Primary Part Number | XM515-19434 OXYGEN CLEANCP |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| XM515-19434 OXYGEN CLEANCP | Naval Inventory Control Point Mechanicsburg (USA) |
| 074-1100 ITEM 9CP | Rix Industries (USA) |
| 074-1100 ITEM 9CP | Naval Inventory Control Point Mechanicsburg (USA) |
| D50-0140 OXYGEN CLEANCP | Naval Inventory Control Point Mechanicsburg (USA) |
| D50-0140 OXYGEN CLEANCP | Dante Valve Company (USA) |
| XM515-19434 OXYGEN CLEANCP | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| D50-0140 OXYGEN CLEAN | 3/1 Design control — primary reference Dante Valve Company |
| XM515-19434 OXYGEN CLEAN | 5/1 Secondary reference Rix Industries |
| 074-1100 ITEM 9 | 5/1 Secondary reference Rix Industries |
NSN 4820-01-669-2027 is a Valve,relief,pressure and Temper, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-669-2027 has 6 manufacturer part numbers on file: XM515-19434 OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg), 074-1100 ITEM 9CP (Rix Industries), 074-1100 ITEM 9CP (Naval Inventory Control Point Mechanicsburg), D50-0140 OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg), D50-0140 OXYGEN CLEANCP (Dante Valve Company) and 1 more.
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.