The Ball,check, cataloged under National Stock Number 4820-01-408-7348, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Frick Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-408-7348 |
| Primary Part Number | 581A0001H03 |
| Item Name | Ball,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Frick Co |
| Status | ACTIVE |
| Spherical Diameter | 0.250 INCHES NOMINAL IN |
| Valve Design Control Activity | 23587 |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 581A0001H03 | Johnson Controls Ltd, York Navy Systems (GBR) |
| 929L62036-M00 | Johnson Controls Ltd, York Navy Systems (GBR) |
| W11136 | Frick Co (USA) |
| 581A0001H03 PRIMARY | Frick Co (USA) |
| W11136 | Johnson Controls Ltd, York Navy Systems (GBR) |
| Reference | Meaning |
|---|---|
| 581A0001 | 5/1 Secondary reference Johnson Controls Ltd, York Navy Systems |
NSN 4820-01-408-7348 is a Ball,check, manufactured by Frick Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-408-7348 has 5 manufacturer part numbers on file: 581A0001H03 (Johnson Controls Ltd, York Navy Systems), 929L62036-M00 (Johnson Controls Ltd, York Navy Systems), W11136 (Frick Co), 581A0001H03 (Frick Co), W11136 (Johnson Controls Ltd, York Navy Systems).
Key specifications for 581A0001H03: Spherical Diameter: 0.250 INCHES NOMINAL IN; Valve Design Control Activity: 23587; Material: STEEL CORROSION RESISTING. 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.