The Valve Assembly, cataloged under National Stock Number 4820-01-593-0084, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-593-0084 |
| Primary Part Number | XMA415-B9810 OXYGEN CLEAN CP |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Body Material | ALUMINUM |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| 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 |
|---|---|
| XMA415-B9810 OXYGEN CLEAN CP | Naval Inventory Control Point Mechanicsburg (USA) |
| B9810 REV D / XMA415-B9810 CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| B9810 REV D / XMA415-B9810 | 5/1 Secondary reference Rix Industries |
| XMA415-B9810 | 3/1 Design control — primary reference Rix Industries |
NSN 4820-01-593-0084 is a Valve Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-593-0084 has 2 manufacturer part numbers on file: XMA415-B9810 OXYGEN CLEAN CP (Naval Inventory Control Point Mechanicsburg), B9810 REV D / XMA415-B9810 CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for XMA415-B9810 OXYGEN CLEAN CP: Criticality Code Justification: ZZZY; Body Material: ALUMINUM; Part Name Assigned by Controlling Agency: MODIFIED UNLOADER VALVE; End Item Identification: UNLOADER VALVE ASSY. 3 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.