The Ball,check, cataloged under National Stock Number 4820-01-168-9566, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tcm America, Inc Sc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-168-9566 |
| Primary Part Number | 0319000013 |
| Item Name | Ball,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tcm America, Inc Sc |
| Status | ACTIVE |
| Spherical Diameter | 0.412 INCHES NOMINAL IN |
| Valve Design Control Activity | 61888 |
| 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 |
|---|---|
| 0319000013 PRIMARY | Tcm America, Inc Sc (USA) |
| Reference | Meaning |
|---|---|
| 12163-80241 | D/9 Drawing number reference only Tcm America, Inc Sc |
| BK7134012000 | 5/9 Secondary reference Tcm America, Inc Sc |
NSN 4820-01-168-9566 is a Ball,check, manufactured by Tcm America, Inc Sc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-168-9566 has 1 manufacturer part number on file: 0319000013 (Tcm America, Inc Sc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-168-9583. Verify interchangeability with system specifications before substitution.
Key specifications for 0319000013: Spherical Diameter: 0.412 INCHES NOMINAL IN; Valve Design Control Activity: 61888; 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.