The Optical Flat, cataloged under National Stock Number 5210-01-630-4012, is classified within Federal Supply Class 5210 (Measuring Tools, Craftsmen's) of the Measuring Tools group. The manufacturer of record is Advanced Optics Inc. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-01-630-4012 |
| Primary Part Number | 534120 |
| Item Name | Optical Flat |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | Advanced Optics Inc |
| Status | ACTIVE |
| Diameter | 5.0 INCHES NOMINAL IN |
| Material | GLASS BOROSILICATE |
| Thickness | 0.750 INCHES NOMINAL IN |
| Case | PROVIDED |
| 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 |
|---|---|
| 534120 PRIMARY | Advanced Optics Inc (USA) |
NSN 5210-01-630-4012 is a Optical Flat, manufactured by Advanced Optics Inc, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-01-630-4012 has 1 manufacturer part number on file: 534120 (Advanced Optics Inc).
Key specifications for 534120: Diameter: 5.0 INCHES NOMINAL IN; Material: GLASS BOROSILICATE; Thickness: 0.750 INCHES NOMINAL IN; Case: PROVIDED. 4 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.