National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| 7645552 | 19200 | A | 3 | 2 | 1 | BF |
CAGE Information
| Code | Company |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
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 |
|---|---|---|
| AGYE | SURFACE FINISH | GROUND AND POLISHED |
| ABNM | THICKNESS | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| MATL | MATERIAL | GLASS, OPTICAL, MIL-G-174, GRADE D, TYPE 523-586 |
| ABMZ | DIAMETER | 1.740 INCHES MINIMUM AND 1.745 INCHES MAXIMUM |
| BMSM | POLISHED PERIPHERY | PROVIDED |
| AJEF | BEVEL DEPTH | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| BMSG | POLISHED SURFACE | BOTH |
| BMSP | BEVEL ANGLE IN DEG | 42.000 MINIMUM AND 48.000 MAXIMUM |
| FEAT | SPECIAL FEATURES | ELEMENT IN ACCORD WITH SPEC MIL-O-13830; SPHERICAL POWER NOT TO EXCEED 3 FRINGES,ASTIGMATISM 2 FRINGES; LIGHT DEVIATION NOT TO EXCEED 2 MINUTES (0.033 DEG) OF ARC; SURFACES QUALITY 80-50; USED ON PERISCOPE AND HOWITZERS M109A2 AND M109A3 |