| 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) | 00-557-5640 (005575640) |
| NCB Code | USA (00) |
| Manufacturer | Navair And Navsea Managed |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGL | WIDTH | 31.000 MILLIMETERS NOMINAL |
| FEAT | SPECIAL FEATURES | W/ROUNDED CORNERS 5.00 MM RADIUS |
| ZZZV | III FSC APPLICATION DATA | FIRE CONTROL RANGE FINDER MK 33 |
| ABRY | LENGTH | 77.000 MILLIMETERS NOMINAL |
| MATL | MATERIAL | GLASS |
| ABNM | THICKNESS | 3.000 MILLIMETERS NOMINAL |
| BMMX | REFRACTION INDEX | 1.5230 NOMINAL |
| BMSG | POLISHED SURFACE | BOTH |
| BMSM | POLISHED PERIPHERY | NOT PROVIDED |
| Components Related to NSN - 1240-00-557-5640, 1240005575640 | ||||
| 1285-00-871-0423 (1285008710423) | 1270-01-094-0527 (1270010940527) | 1220-00-130-9967 (1220001309967) | 1270-00-996-5887 (1270009965887) | |
| 1210-00-155-6077 (1210001556077) | 1285-00-994-1452 (1285009941452) | 1285-00-186-8336 (1285001868336) | 1260-01-046-2840 (1260010462840) | |
| 1290-01-430-5019 (1290014305019) | 1290-01-582-8202 (1290015828202) | 1285-01-167-3822 (1285011673822) | 1240-01-562-2090 (1240015622090) | |
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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