Part Number
Definition:
AN UNMOUNTED, TRANSPARENT, COLOR FREE LENS WHICH MAY BE TREATED WITH A LOW REFLECTION COATING TO INCREASE LIGHT TRANSMISSION. INCLUDES SINGLE AND COMPOUND ELEMENTS. FOR ITEMS HAVING TWO PLANE PARALLEL SURFACES, SEE WINDOW, OPTICAL INSTRUMENT. EXCLUDES RETICLE, OPTICAL INSTRUMENT.
CAGE Information
| Code | Company |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
OPTICAL INSTRUMENTS, TEST EQUIPM
Inclusions:
INCLUDES BINOCULARS; MAGNIFIERS; MICROSCOPES; PERISCOPES; TELESCOPES; OPTICAL ELEMENTS; SUCH AS LENS, PRISMS, WINDOWS; OPTICAL BENCHES AND ASSOCIATED DEVICES; ENDOSCOPES, FIBER OPTICS (NON-MEDICAL).
Exclusions:
EXCLUDES FIRE CONTROL INSTRUMENTS, OPTICAL; SURVEYING INSTRUMENTS, OPTICAL; PHOTOGRAMMETRIC INSTRUMENTS; OCTANTS; AND SEXTANTS; OPTICAL INSTRUMENTS INTEGRATED WITH FIRE CONTROL EQUIPMENT; OPTHALMOLOGICAL INSTRUMENTS; ELECTRONIC FIBER OPTIC TEST EQUIPMENT; MEDICAL ENDOSCOPES.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| BMMP | COMPOUND LENS EDGE THICKNESS | 0.340 INCHES NOMINAL |
| BMMP | COMPOUND LENS EDGE THICKNESS | 0.340 INCHES NOMINAL |
| BMMN | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.394 INCHES NOMINAL |
| BMMX | REFRACTION INDEX | 1.5740 NOMINAL AND 1.6210 NOMINAL |
| ABMZ | DIAMETER | 1.378 INCHES NOMINAL |
| CTKX | ELEMENT RIGHT SURFACE RADIUS | -2.958 INCHES AND -13.780 INCHES |
| BMMW | FRONT FOCAL LENGTH | 8.688 INCHES |
| BMMZ | ABBE CONSTANT | 57.700 AND 36.600 |
| CTKW | ELEMENT LEFT SURFACE RADIUS | -2.958 INCHES AND 5.630 INCHES |
| ZZZV | FSC APPLICATION DATA | FIRE CONTROL,TELESCOPE,MK66 |
| MATL | MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C |
| BMSD | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
| BMMT | BACK FOCAL LENGTH | 8.515 INCHES |
| BMMS | EQUIVALENT FOCAL LENGTH | 8.726 INCHES |
| BMSC | COMPOUND LENS STYLE | DOUBLET |
| BMLY | AXIAL THICKNESS | 0.276 INCHES NOMINAL AND 0.118 INCHES NOMINAL |