NSN 1240-00-989-5947
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-989-5947 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: 8619922, 1240009895947, 8619922, 8619922, 8619922, 1240-00-989-5947, 00-989-5947, 1240009895947, 009895947
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1962 | 00-989-5947 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-989-5947
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8619922 | 91141 | DAVIDSON OPTRONICS INC.DBA DOI VENTURE |
| 1240009895947 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
| 8619922 | 14001 | GRAYCO OPTICAL CORP |
| 8619922 | 30181 | ILEX OPTICAL CO |
| 8619922 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-989-5947
| Characteristic | Specifications |
|---|---|
| POLISHED SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| WIDTH | 3.225 INCHES MINIMUM AND 3.240 INCHES MAXIMUM |
| LENGTH | 4.225 INCHES MINIMUM AND 4.240 INCHES MAXIMUM |
| THICKNESS | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| BEVEL ANGLE IN DEG | 42.000 MINIMUM AND 48.000 MAXIMUM |
| BEVEL DEPTH | 0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| FSC APPLICATION DATA | PERISCOPE |