The Level,cylindrical,circular Vial, cataloged under National Stock Number 5210-01-226-4187, is classified within Federal Supply Class 5210 (Measuring Tools, Craftsmen's) of the Measuring Tools group. The manufacturer of record is Lockheed Martin Corp. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-01-226-4187 |
| Primary Part Number | ST83D70-1 |
| Item Name | Level,cylindrical,circular Vial |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Vial Arrangement | SINGLE LEVEL |
| Design Type | SINGLE FACE |
| Overall Outside Dimensions | 4.0 IN. LG,0.50 IN. HIGH,0.63 IN. WIDE IN |
| Vial Surface Finish | GROUND LEVEL |
| Adjustability | NONADJUSTABLE |
| Vial Type | LEVEL |
| Vial Quantity | 1 LEVEL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| ST83D70-1 PRIMARY | Lockheed Martin Corp (USA) |
| Reference | Meaning |
|---|---|
| 4-4023 | 5/2 Secondary reference U.S. Government activity |
| 40-10716-900Y | 5/9 Secondary reference Lockheed Martin Corp |
NSN 5210-01-226-4187 is a Level,cylindrical,circular Vial, manufactured by Lockheed Martin Corp, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-01-226-4187 has 1 manufacturer part number on file: ST83D70-1 (Lockheed Martin Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-371-7656, 6625-01-461-3927. Verify interchangeability with system specifications before substitution.
Key specifications for ST83D70-1: Vial Arrangement: SINGLE LEVEL; Design Type: SINGLE FACE; Overall Outside Dimensions: 4.0 IN. LG,0.50 IN. HIGH,0.63 IN. WIDE IN; Vial Surface Finish: GROUND LEVEL. 8 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.