The Ball,check, cataloged under National Stock Number 4820-01-478-3910, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cadillac Gage Textron Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ball,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Cadillac Gage Textron Inc. (CAGE 10237) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-478-3910 |
| Primary Part Number | 217972 |
| Item Name | Ball,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cadillac Gage Textron Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 217972 PRIMARY | Cadillac Gage Textron Inc. (USA) |
NSN 4820-01-478-3910 is a Ball,check, manufactured by Cadillac Gage Textron Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-478-3910 has 1 manufacturer part number on file: 217972 (Cadillac Gage Textron Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-516-3766. Verify interchangeability with system specifications before substitution.
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.