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 |
|---|---|---|
| BMMN | COMPOUND LENS OVERALL AXIAL THICKNESS | 1.023 INCHES NOMINAL |
| BMMN | COMPOUND LENS OVERALL AXIAL THICKNESS | 1.023 INCHES NOMINAL |
| CTKW | ELEMENT LEFT SURFACE RADIUS | -5.139 INCHES AND 6.693 INCHES |
| BMSD | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND PLANO-CONCAVE |
| MATL | MATERIAL | GLASS, OPTICAL, JAN-G-174, GRADE C |
| BMMX | REFRACTION INDEX | 1.6210 NOMINAL AND 1.5170 NOMINAL |
| BMMT | BACK FOCAL LENGTH | 4.089 INCHES |
| ZZZV | FSC APPLICATION DATA | GUNSIGHT MK 15 MOD 2 |
| CTKX | ELEMENT RIGHT SURFACE RADIUS | -1.704 INCHES AND 1.704 INCHES |
| BMLY | AXIAL THICKNESS | 0.866 INCHES NOMINAL AND 0.157 INCHES NOMINAL AND 0.866 INCHES NOMINAL |
| BMMP | COMPOUND LENS EDGE THICKNESS | 0.590 INCHES NOMINAL |
| BMMS | EQUIVALENT FOCAL LENGTH | 3.952 INCHES |
| ABMZ | DIAMETER | 2.204 INCHES NOMINAL |
| BMMZ | ABBE CONSTANT | 36.200 AND 64.500 |
| BMMW | FRONT FOCAL LENGTH | 3.170 INCHES |
| BMSC | COMPOUND LENS STYLE | DOUBLET |