The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-208-2224, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-208-2224 |
| Primary Part Number | 2CR886 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Pressure Rating | 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | 180.0 FAHRENHEIT NOMINAL DEGF |
| Outside Diameter | 6.332 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Style Designator | FLAT |
| Material Thickness | 0.048 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 5.620 INCHES NOMINAL IN |
| Center Hole Diameter | 0.500 INCHES NOMINAL IN |
| Material | RUBBER |
| Hole Diameter | 0.370 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2CR886 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 45A391-P12 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 45A391P5 | D/9 Drawing number reference only C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 2CR886 | 5/9 Secondary reference Oshkosh Corp |
NSN 4820-01-208-2224 is a Diaphragm,valve,flat, manufactured by Oshkosh Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-208-2224 has 1 manufacturer part number on file: 2CR886 (Oshkosh Defense Llc).
Key specifications for 2CR886: Pressure Rating: 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 180.0 FAHRENHEIT NOMINAL DEGF; Outside Diameter: 6.332 INCHES NOMINAL IN; Criticality Code Justification: FEAT. 11 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.