NSN 1240-01-081-5346
Part Details | OPTICAL INSTRUMENT WINDOW
1240-01-081-5346 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.
Alternate Parts: 8211655, 8211655, 1240-01-081-5346, 01-081-5346, 1240010815346, 010815346
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | AUG 16, 1979 | 01-081-5346 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-081-5346
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8211655 | 11934 | SEILER INSTRUMENT AND MANUFACTURINGCOMPANY, INCORPORATED |
| 8211655 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-081-5346
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS |
| POLISHED SURFACE | BOTH |
| POLISHED PERIPHERY | PROVIDED |
| DIAMETER | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| SPECIAL FEATURES | MATL: 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 |