The Disk,valve, cataloged under National Stock Number 4820-01-298-4441, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-298-4441 |
| Primary Part Number | 2620-906X18 PIECE 13 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Shank Diameter | 0.210 INCHES NOMINAL IN |
| Pressure Rating | 4500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Seat Angle | 28.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2620-906X18 PIECE 13 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2620-906X18 | D/9 Drawing number reference only U.S. Government activity |
| 2620-906X18 PIECE 13 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-298-4441 is a Disk,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-298-4441 has 1 manufacturer part number on file: 2620-906X18 PIECE 13 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2620-906X18 PIECE 13: Shank Diameter: 0.210 INCHES NOMINAL IN; Overall Height: 0.900 INCHES NOMINAL IN; Pressure Rating: 4500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Seat Angle: 28.0 DEGREES NOMINAL. 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.