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 |
|---|---|
| 12582 | DIFFRACTION OPTICS |
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 |
|---|---|---|
| ABMZ | DIAMETER | 111.170 MILLIMETERS NOMINAL |
| BMSM | POLISHED PERIPHERY | NOT PROVIDED |
| MATL | MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B |
| BMSL | BEVELED/POLISHED EDGE PLATING MATERIAL | GLASS |
| BMSG | POLISHED SURFACE | BOTH |
| BMMX | REFRACTION INDEX | 1.5230 NOMINAL |
| BMSK | REFLECTION REDUCING SURFACE | BOTH |
| ABNM | THICKNESS | 6.350 MILLIMETERS NOMINAL |