The Optical Flat, cataloged under National Stock Number 5210-00-213-9061, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is Van Keuren. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-00-213-9061 |
| Primary Part Number | 3200872 |
| Item Name | Optical Flat |
| FSC / FSG | 5210 / 52 — No Item Name Available |
| Manufacturer | Van Keuren |
| Status | ACTIVE |
| Case | PROVIDED |
| Diameter | 2.000 INCHES NOMINAL IN |
| Material | QUARTZ |
| Nondefinitive Spec/std Data | 1 CLASS AND 9 SIZE |
| Working Surface Flatness Accuracy | 0.00000200 INCHES NOMINAL IN |
| Design Type | MASTER DOUBLE |
| Thickness | 0.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3200872 | Van Keuren (USA) |
| 049910-412 | Van Keuren (USA) |
| MIL026901CLASS1SIZE9 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5210-00-213-9061 is a Optical Flat, manufactured by Van Keuren, classified under FSC 5210 (No Item Name Available). Status: active.
NSN 5210-00-213-9061 has 3 cross-referenced part numbers: 3200872 (Van Keuren), 049910-412 (Van Keuren), MIL026901CLASS1SIZE9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 5210-00-213-9061: 6625-00-065-6198. Verify interchangeability with system specifications before substitution.
Key specifications for 3200872: Case: PROVIDED; Diameter: 2.000 INCHES NOMINAL IN; Material: QUARTZ; Nondefinitive Spec/std Data: 1 CLASS AND 9 SIZE. 7 total characteristics are documented in the Federal Logistics Information System.