NSN 9340-01-514-8541
Part Details | OBSERVATION WINDOW
9340-01-514-8541 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: SM1 FREF48, SM-1 F-REF-48, SMFREF48, SM-F-REF-48, 9340-01-514-8541, 01-514-8541, 9340015148541, 015148541
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
93 | NOV 06, 2003 | 01-514-8541 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR

Cross Reference | NSN 9340-01-514-8541
Part Number | Cage Code | Manufacturer |
---|---|---|
SM-1 F-REF-48 | 89117 | TYCO VALVES & CONTROLS LPDBA PENBERTHY |
SM-F-REF-48 | 89117 | TYCO VALVES & CONTROLS LPDBA PENBERTHY |
Technical Data | NSN 9340-01-514-8541
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | CIRCULAR |
OVERALL DIAMETER | 2.000 INCHES NOMINAL |
OVERALL THICKNESS | 0.625 INCHES NOMINAL |
MATERIAL | GLASS BOROSILICATE |
SURFACE FINISH | FINE FINISHED |
SPECIAL FEATURES | FLATNESS MEASURED AT 0.002 INCH |
END ITEM IDENTIFICATION | WASP CLASS LHD |
FSC APPLICATION DATA | PENBERTHY MODEL SM-F SIGHT FLOW INDICATOR |