Part Number
Part Number:
NSN:
NIIN:
Item Name:
WINDOW , OPTICAL INSTRUMENT
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 |
|---|---|
| 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL D |
Federal Supply Class
Title
OPTICAL SIGHTING AND RANGING EQU
Inclusions:
INCLUDES PERISCOPES FOR SUBMARINES; RANGE AND HEIGHT FINDERS; TELESCOPIC SIGHTS; OPTICAL INSTRUMENTS INTEGRATED WITH FIRE CONTROL EQUIPMENT.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATL | MATERIAL | GLASS, OPTICAL, JAN-G-174, TYPE 517-645 |
| MATL | MATERIAL | GLASS, OPTICAL, JAN-G-174, TYPE 517-645 |
| BMSH | DISPERSION | 64.3 ANGSTROMS NOMINAL |
| BMSP | BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| ABNM | THICKNESS | 4.500 MILLIMETERS NOMINAL |
| BMSM | POLISHED PERIPHERY | NOT PROVIDED |
| BMMX | REFRACTION INDEX | 1.5171 NOMINAL |
| BMSG | POLISHED SURFACE | BOTH |
| AJEF | BEVEL DEPTH | 1.000 MILLIMETERS NOMINAL |
| ABMZ | DIAMETER | 48.000 MILLIMETERS NOMINAL |
| ZZZV | FSC APPLICATION DATA | TELESCOPE MARK 66 |