| 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) | 00-620-4979 (006204979) |
| NCB Code | USA (00) |
| Manufacturer | Drs Network And Imaging Systems Llc, General Scientific Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AJEF | Bevel Depth | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| BMSP | Bevel Angle In Deg | 42.000 MINIMUM AND 48.000 MAXIMUM |
| BMSG | Polished Surface | BOTH |
| BMSM | Polished Periphery | NOT PROVIDED |
| BMSH | Dispersion | 64.500 ANGSTROMS NOMINAL |
| BMSK | Reflection Reducing Surface | BOTH |
| ABNM | Thickness | 0.418 INCHES MINIMUM AND 0.458 INCHES MAXIMUM |
| MATT | Material | GLASS, OPTICAL, MIL-G-174, GRADE B, TYPE 517-645 |
| ABMZ | Diameter | 2.022 INCHES MINIMUM AND 2.025 INCHES MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| BMMX | Refraction Index | 1.5170 NOMINAL |
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If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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