| 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 |
| Relevant Components for NSN - 5210-00-203-4654, 5210002034654 | ||||
| 5210-01-460-4391 (5210014604391) | 5210-00-654-9847 (5210006549847) | 5210-01-680-7407 (5210016807407) | 5220-00-147-7018 (5220001477018) | |
| 5210-01-434-9447 (5210014349447) | 5220-00-624-4190 (5220006244190) | 5220-01-004-8390 (5220010048390) | 5210-00-309-1560 (5210003091560) | |
| 5220-00-204-0986 (5220002040986) | 5210-00-390-5446 (5210003905446) | 5210-01-430-8638 (5210014308638) | 5210-01-713-9026 (5210017139026) | |
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