Part Number
Definition:
A COLOR FREE ITEM OF TRANSPARENT OR TRANSLUCENT MATERIAL, USUALLY OPTICAL GLASS, HAVING SPECIFIC LIGHT DISPERSIVE AND REFRACTIVE PROPERTIES. THIS ITEM MUST HAVE TWO PLANE-PARALLEL SURFACES AND IS DESIGNED FOR USE IN AN OPTICAL INSTRUMENT TO PROVIDE A BARRIER TO FOREIGN MATTER AND/OR PERMIT LIGHT TRANSMISSION IN OR TO THE OPTICAL SYSTEM.
CAGE Information
| Code | Company |
|---|---|
| 81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
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 |
|---|---|---|
| ABNM | THICKNESS | 3.175 MILLIMETERS NOMINAL |
| ABMZ | DIAMETER | 77.990 MILLIMETERS NOMINAL |
| MATL | MATERIAL | GLASS, OPTICAL, JAN-G-174, TYPE 523-586, GRADE B |
| FEAT | SPECIAL FEATURES | 1.398 IN. RADIUS AT ENDS |
| BMSM | POLISHED PERIPHERY | NOT PROVIDED |
| ZZZV | FSC APPLICATION DATA | PERISCOPE |
| ABRY | LENGTH | 116.992 MILLIMETERS NOMINAL |
| BMSG | POLISHED SURFACE | BOTH |
| BMMX | REFRACTION INDEX | 1.5230 NOMINAL |