The Cartridge, cataloged under National Stock Number 4820-01-623-0455, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dynamic Controls Ltd. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-623-0455 |
| Primary Part Number | 8A2-03/010 BAR OXYGEN CLEAN |
| Item Name | Cartridge |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dynamic Controls Ltd |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| 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 |
|---|---|
| 8A2-03/010 BAR OXYGEN CLEAN | Dynamic Controls Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 8A2-03/010 | 5/9 Secondary reference Cunico Corporation |
| 8A2-03/010 BAR OXYGEN CLEANCP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 8A2-03/010 BAR OXYGEN CLEAN | 5/9 Secondary reference Cunico Corporation |
| 8A2-03/010CP | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-623-0455 is a Cartridge, manufactured by Dynamic Controls Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-623-0455 has 1 manufacturer part number on file: 8A2-03/010 BAR OXYGEN CLEAN (Dynamic Controls Ltd).
Key specifications for 8A2-03/010 BAR OXYGEN CLEAN: Criticality Code Justification: ZZZY; End Item Identification: VLV STP,ANGL; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. 2 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.