| Item Name | Optical Flat Set |
| Federal Supply Group (FSG) | Measuring Tools |
| Federal Supply Class (FSC) | 5210 measuring Tools Craftsmens |
| National Item Identification Number (NIIN) | 00-203-4654 (002034654) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| GG-O-635A | federal specifications | optical flat set | 81348 | RFQ |
| MIL026901AMEND1CLASS3SET7 | military specifications | optical flat set | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | SPECIAL FEATURES | FLAT 2 FUSED QUARTZ REFERENCE DOUBLE TYPE 0.000001 IN. FLATNESS ACCURACY 6 IN. DIA. 1 IN. THK;W/CASE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 3 CLASS AND 7 SET |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | AS MOD BY MIL-O-26901 AMEND 1 |
| Components Related to NSN - 5210-00-203-4654, 5210002034654 | ||||
| 5220-01-689-4052 (5220016894052) | 5220-01-436-2869 (5220014362869) | 5210-00-775-4967 (5210007754967) | 5210-00-392-8892 (5210003928892) | |
| 5220-01-434-0731 (5220014340731) | 5220-00-014-2054 (5220000142054) | 5220-00-992-5554 (5220009925554) | 5220-01-134-9632 (5220011349632) | |
| 5220-00-831-5473 (5220008315473) | 5220-00-220-2483 (5220002202483) | 5220-01-354-9376 (5220013549376) | 5210-01-526-3297 (5210015263297) | |
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