The Cartridge,check Valve, cataloged under National Stock Number 4820-01-268-3305, 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 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-268-3305 |
| Primary Part Number | PLC-10363 ITEMS 2-15L1 |
| Item Name | Cartridge,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Port Diameter | 0.500 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Valve Size | 6.000 INCHES IN |
| Material | NICKEL ALLOY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| PLC-10363 ITEMS 2-15L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| PLC-10363 IT 2-15L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 565-3 PLC-10363 IT 2-15L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 565-3 PLC-10363 IT 2-15 | 5/1 Secondary reference U.S. Government activity |
| PLC-10363 ITEMS 2-15 | 3/1 Design control — primary reference U.S. Government activity |
| PLC-10363 IT 2-15 | 5/1 Secondary reference U.S. Government activity |
| 565-3 PLC-10363 IT 2-15 | 5/9 Secondary reference Electro Mech Co |
NSN 4820-01-268-3305 is a Cartridge,check Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-268-3305 has 3 manufacturer part numbers on file: PLC-10363 ITEMS 2-15L1 (Naval Inventory Control Point Mechanicsburg), PLC-10363 IT 2-15L1 (Naval Inventory Control Point Mechanicsburg), 565-3 PLC-10363 IT 2-15L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for PLC-10363 ITEMS 2-15L1: Port Diameter: 0.500 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Valve Size: 6.000 INCHES IN. 6 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.
NSN 4820-01-268-3305 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.