NSN 9340-00-540-5120
Part Details | OBSERVATION WINDOW
9340-00-540-5120 A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See WINDOW (as modified); SCALE, CATHODE RAY TUBE; SCALE, PLOTTING; WINDOW, METAL; WINDOW, WOOD; and WINDOW PANEL, AIRCRAFT.
Alternate Parts: 136336PC51, 9340-00-540-5120, 00-540-5120, 9340005405120, 005405120
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
93 | JAN 01, 1963 | 00-540-5120 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-540-5120
Part Number | Cage Code | Manufacturer |
---|---|---|
136336PC51 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 9340-00-540-5120
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | CIRCULAR |
OVERALL DIAMETER | 4.438 INCHES MINIMUM AND 4.516 INCHES MAXIMUM |
OVERALL THICKNESS | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
MATERIAL | GLASS |
SURFACE FINISH | POLISHED |
MATERIAL TRANSPARENCY | CLEAR |
EDGE TYPE | BEVELED |
PLY QUANTITY | 2 |
ENVIRONMENTAL PROTECTION | SHATTER PROOF |
FSC APPLICATION DATA | GUN FIRE CONTROL DIRECTOR |