| Item Name | Optical Flat |
| Federal Supply Group (FSG) | Measuring Tools |
| Federal Supply Class (FSC) | 5210 measuring Tools Craftsmens |
| National Item Identification Number (NIIN) | 00-682-1618 (006821618) |
| NCB Code | USA (00) |
| Manufacturer | Federal Commercial Item Description, Federal Specifications, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| A-A-58051 TYPE II CLASS 2 | federal commercial item description | optical flat | 58536 | RFQ |
| GG-O-635STY2CL2 | federal specifications | optical flat | 81348 | RFQ |
| MIL026901CLASS1SIZE12 | military specifications | optical flat | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMZ | DIAMETER | 6.000 INCHES NOMINAL |
| ABNM | THICKNESS | 1.000 INCHES NOMINAL |
| ALFK | CASE | PROVIDED |
| APGF | DESIGN TYPE | MASTER DOUBLE |
| BSFY | WORKING SURFACE FLATNESS ACCURACY | 0.00000200 INCHES NOMINAL |
| MATT | MATERIAL | QUARTZ |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 CLASS AND 12 SIZE |
| Components Related to NSN - 5210-00-682-1618, 5210006821618 | ||||
| 5210-01-046-4135 (5210010464135) | 5220-00-267-3383 (5220002673383) | 5220-00-358-1856 (5220003581856) | 5210-01-613-6172 (5210016136172) | |
| 5220-00-869-7958 (5220008697958) | 5220-00-860-3940 (5220008603940) | 5220-01-676-4895 (5220016764895) | 5210-01-430-6602 (5210014306602) | |
| 5220-01-314-5207 (5220013145207) | 5210-01-335-9232 (5210013359232) | 5210-01-665-5813 (5210016655813) | 5210-00-197-9677 (5210001979677) | |
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