The Ball,check, cataloged under National Stock Number 4820-01-488-5566, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-488-5566 |
| Item Name | Ball,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Design Control Activity | 52837 |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10103058 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 02-1080-52 | 3/9 Design control — primary reference Psg California, Llc Div Dover Corporation |
| P2/PPPP/400 ITEM 27 | 5/9 Secondary reference Psg California, Llc Div Dover Corporation |
NSN 4820-01-488-5566 is a Ball,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-488-5566: Special Features: NHA IS P/N P2/PPPP-400 WILDEN MODEL P2R PLASTIC PUMP; Valve Design Control Activity: 52837; End Item Identification: LOS ANGELES CLASS SSN (688); Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.