The Level,cylindrical,circular Vial, cataloged under National Stock Number 5210-01-481-4221, is classified within Federal Supply Class 5210 (Measuring Tools, Craftsmen's) of the Measuring Tools group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5210-01-481-4221 |
| Item Name | Level,cylindrical,circular Vial |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Status | ACTIVE |
| Vial Arrangement | SINGLE LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | SINGLE FACE |
| Overall Outside Dimensions | 1.000 IN DIA IN |
| Vial Surface Finish | UNGROUND LOCATION NOT OTHERWISE SPECIFIED |
| Adjustability | NONADJUSTABLE |
| Vial Type | BUBBLE |
| Vial Quantity | 1 LOCATION NOT OTHERWISE SPECIFIED |
| Vial Graduation Value | 0.218 DIA CIRCLE ON GLASS WITH CROSSLINES |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 2-10021 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5210-01-481-4221 is a Level,cylindrical,circular Vial, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1680-01-614-0750. Verify interchangeability with system specifications before substitution.
Key specifications for 5210-01-481-4221: Vial Arrangement: SINGLE LOCATION NOT OTHERWISE SPECIFIED; Design Type: SINGLE FACE; Overall Outside Dimensions: 1.000 IN DIA IN; Vial Surface Finish: UNGROUND LOCATION NOT OTHERWISE SPECIFIED. 9 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.