| Item Name | Lens Optical Instru |
| Federal Supply Group (FSG) | Instruments and Laboratory Equipment |
| Federal Supply Class (FSC) | 6650 Optical Instruments Test Equipment Components And Accessories |
| National Item Identification Number (NIIN) | 00-864-2942 (008642942) |
| NCB Code | USA (00) |
| Manufacturer | Plummer Precision Optics Co, General Scientific Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | PLANO EDGE CHAMFERED 0.020 INCH AT 45 DEGREES |
| BMSD | Individual Lens Style | DOUBLE CONVEX AND PLANO-CONCAVE |
| BMMT | Back Focal Length | 2.192 INCHES |
| BMSC | Compound Lens Style | DOUBLET |
| BMMX | Refraction Index | 1.5730 NOMINAL AND 1.6890 NOMINAL |
| BMMZ | Abbe Constant | 57.400 AND 30.900 |
| ABMZ | Diameter | 0.997 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| ZZZV | Fsc Application Data | TELESCOPE,PANORAMIC |
| BMMN | Compound Lens Overall Axial Thickness | 0.465 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| BMMS | Equivalent Focal Length | 2.534 INCHES |
| MATT | Material | GLASS, OPTICAL, MIL-G-174, GRADE C, TYPE 689-309 OR GLASS, OPTICAL, MIL-G-174, GRADE C, TYPE 573-574 |
| CTKW | Element Left Surface Radius | -1.589 INCHES AND 1.244 INCHES |
| MRC | Decoded Requirement | Clear Text Reply |
| BMLY | Axial Thickness | 0.364 INCHES NOMINAL AND 0.121 INCHES NOMINAL |
| Relevant Components for NSN - 6650-00-864-2942, 6650008642942 | ||||
| 6625-01-360-6921 (6625013606921) | 6680-01-283-4067 (6680012834067) | 6625-01-188-9086 (6625011889086) | 6625-01-218-9195 (6625012189195) | |
| 6680-01-494-2690 (6680014942690) | 6650-01-344-6402 (6650013446402) | 6625-01-173-3297 (6625011733297) | 6650-00-937-5319 (6650009375319) | |
| 6680-01-159-2041 (6680011592041) | 6685-01-441-2168 (6685014412168) | 6625-01-546-1395 (6625015461395) | 6620-01-279-8884 (6620012798884) | |
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