AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-171-7898 (001717898) |
| NCB Code | USA (00) |
| Manufacturer | Brunson Instrument Company, Navair And Navsea Managed |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 169984PC3 | brunson instrument company | window optical inst | RFQ |
| G7945PC3 | navair and navsea managed | window optical inst | RFQ |
| 189659PC3 | navair and navsea managed | window optical inst | RFQ |
| G7945PC3 | brunson instrument company | window optical inst | RFQ |
| 169984PC3 | navair and navsea managed | window optical inst | RFQ |
| 189659PC3 | brunson instrument company | window optical inst | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATL | MATERIAL | GLASS, OPTICAL, JAN-G-174, TYPE 517-645, GRADE A |
| ABMZ | DIAMETER | 24.800 MILLIMETERS MINIMUM AND 25.000 MILLIMETERS MAXIMUM |
| ABNM | THICKNESS | 4.000 MILLIMETERS NOMINAL |
| BMMX | REFRACTION INDEX | 1.5171 NOMINAL |
| BMSG | POLISHED SURFACE | BOTH |
| BMSH | DISPERSION | 64.5 ANGSTROMS NOMINAL |
| BMSK | REFLECTION REDUCING SURFACE | BOTH |
| BMSM | POLISHED PERIPHERY | NOT PROVIDED |
| Relevant Components for NSN - 1240-00-171-7898, 1240001717898 | ||||
| 1240-01-613-5730 (1240016135730) | 1285-00-412-8060 (1285004128060) | 1260-00-898-4681 (1260008984681) | 1290-00-346-8168 (1290003468168) | |
| 1220-00-381-8911 (1220003818911) | 1285-00-220-2647 (1285002202647) | 1210-00-381-5307 (1210003815307) | 1265-00-152-7947 (1265001527947) | |
| 1290-01-372-5262 (1290013725262) | 1240-00-130-9547 (1240001309547) | 1270-00-606-7309 (1270006067309) | 1240-01-204-7772 (1240012047772) | |
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