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| 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) | 00-450-1742 (004501742) |
| NCB Code | USA (00) |
| Manufacturer | Kollsman Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| SR-5 | MANUFACTURERS CODE | 89944 |
| BMMX | REFRACTION INDEX | 1.5170 NOMINAL AND 1.6220 NOMINAL |
| BMMN | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.276 INCHES NOMINAL |
| BMMS | EQUIVALENT FOCAL LENGTH | 57.324 INCHES |
| BMMZ | ABBE CONSTANT | 64.200 AND 36.000 |
| BMSD | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| FEAT | SPECIAL FEATURES | TWO PARALLEL RED LINES ON FLAT SURFACE OF LENS |
| BMMT | BACK FOCAL LENGTH | 56.689 INCHES |
| BMSC | COMPOUND LENS STYLE | DOUBLET |
| MATL | MATERIAL | GLASS, OPTICAL, MIL-G-174, GRADE B, TYPE 517-642 AND GLASS, OPTICAL, MIL-G-174, GRADE B, TYPE 622-360 |
| SR-5 | THE MANUFACTURERS DATA | |
| SR-5 | DESIGN CONTROL REFERENCE | 1073976 |
| ABMZ | DIAMETER | 0.787 INCHES NOMINAL |
| BMLY | AXIAL THICKNESS | 0.158 INCHES NOMINAL AND 0.118 INCHES NOMINAL |
| Relevant Components for NSN - 6650-00-450-1742, 6650004501742 | ||||
| 6625-00-930-9204 (6625009309204) | 6680-01-128-6274 (6680011286274) | 6625-01-125-5983 (6625011255983) | 6625-01-101-6594 (6625011016594) | |
| 6605-01-619-5277 (6605016195277) | 6625-01-301-1791 (6625013011791) | 6625-01-359-6626 (6625013596626) | 6650-01-090-4971 (6650010904971) | |
| 6625-00-437-3682 (6625004373682) | 6695-01-485-4034 (6695014854034) | 6685-01-483-3906 (6685014833906) | 6650-01-464-4970 (6650014644970) | |
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