Part Details | OBSERVATION WINDOW
9330-01-578-7981 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: 7607877, 9330-01-578-7981, 01-578-7981, 9330015787981, 015787981
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | OCT 20, 2009 | 01-578-7981 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9330-01-578-7981
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7607877 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 9330-01-578-7981
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 3.470 INCHES NOMINAL |
| OVERALL THICKNESS | 0.475 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| MATERIAL | PLASTIC |
| MATERIAL TRANSPARENCY | CLEAR |
| PLY QUANTITY | 5 |
| MAXIMUM OPERATING PRESSURE | 9000.0 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 118.0 ROCKWELL M NOMINAL |
| MINIMUM TENSILE STRENGTH | 9000 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | MATERIAL: ABRASION RESISTANT, UV STABLE, CLEAR POLYCARBONATE |
| END ITEM IDENTIFICATION | MK54 REXTORP ASSEMBLY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | INAVY AND DWG: WINDOW, FIRE CONTROL |