The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-573-1193, 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 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-573-1193 |
| Primary Part Number | B9810 ITEM 9 OXYGEN CLEANCP |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| 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 |
|---|---|
| B9810 ITEM 9 OXYGEN CLEANCP | Naval Inventory Control Point Mechanicsburg (USA) |
| B9810 REV D ITEM 9 CP | Naval Inventory Control Point Mechanicsburg (USA) |
| XM415-16-1 OXYGEN CLEAN CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| B9810 REV D ITEM 9 | 5/1 Secondary reference Rix Industries |
| B9810 ITEM 9 OXYGEN CLEAN | 5/1 Secondary reference Rix Industries |
| XM415-16-1 | 3/1 Design control — primary reference Rix Industries |
NSN 4820-01-573-1193 is a Valve,regulating,system Pressure, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-573-1193 has 3 manufacturer part numbers on file: B9810 ITEM 9 OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg), B9810 REV D ITEM 9 CP (Naval Inventory Control Point Mechanicsburg), XM415-16-1 OXYGEN CLEAN CP (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-665-0898. Verify interchangeability with system specifications before substitution.
Key specifications for B9810 ITEM 9 OXYGEN CLEANCP: Criticality Code Justification: ZZZY; Special Features: UNLOADER VALVE, MODIFIED WITH 9/16-18 ST IN DIAPHRAGM BODY; End Item Identification: UNLOADER VLV ASSY; 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.