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 |
|---|---|
| 11934 | SEILER INSTRUMENT AND MANUFACTURING |
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 | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | 0MATL: RED GLASS,TYPE III,SPEC MIL-F-12717; ELEMENT IN ACCORD WITH SPEC MIL-O-13830; SURFACE QUALITY 80-50; MAX WEDGE NOT TO EXCEED 15 MINUTES (0.250 DEG); RIM AND CHAMFERS GROUND; NOT TO EXCEED 0.010 (FACE WIDTH); USED ON AIMING CIRCLE M2A2 |
| BMSM | POLISHED PERIPHERY | PROVIDED |
| BMSG | POLISHED SURFACE | BOTH |
| ABNM | THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| MATL | MATERIAL | GLASS |