| Item Name | Window Optical Inst |
| Federal Supply Group (FSG) | Fire Control Equipment |
| Federal Supply Class (FSC) | 1240 Optical Sighting And Ranging Equipment |
| National Item Identification Number (NIIN) | 00-905-4476 (009054476) |
| NCB Code | USA (00) |
| Manufacturer | Grayco Optical Corp, Laminated Materials Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| SR-5 | DESIGN CONTROL REFERENCE | 10527977 |
| SR-5 | MANUFACTURERS CODE | 19200 |
| SR-5 | THE MANUFACTURERS DATA | |
| ZZZV | III FSC APPLICATION DATA | TELESCOPE MOUNT |
| MATL | MATERIAL | GLASS, DD-G-451, TYPE 1 |
| ABMZ | DIAMETER | 59.720 MILLIMETERS NOMINAL |
| ABNM | THICKNESS | 6.330 MILLIMETERS NOMINAL |
| AJEF | BEVEL DEPTH | 0.508 MILLIMETERS NOMINAL |
| BMSG | POLISHED SURFACE | BOTH |
| BMSK | REFLECTION REDUCING SURFACE | BOTH |
| BMSM | POLISHED PERIPHERY | NOT PROVIDED |
| BMSP | BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| Components Related to NSN - 1240-00-905-4476, 1240009054476 | ||||
| 1270-01-231-3658 (1270012313658) | 1210-00-381-4469 (1210003814469) | 1240-00-302-1353 (1240003021353) | 1270-01-448-0800 (1270014480800) | |
| 1270-00-573-4696 (1270005734696) | 1270-01-243-2692 (1270012432692) | 1260-00-845-2766 (1260008452766) | 1210-00-381-4744 (1210003814744) | |
| 1210-00-381-6415 (1210003816415) | 1210-00-152-6110 (1210001526110) | 1220-00-790-0073 (1220007900073) | 1270-01-193-8814 (1270011938814) | |
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