NSN 9340-01-273-3976
Part Details | OBSERVATION WINDOW
9340-01-273-3976 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: 101152003, 101152-003, 7191090A, 71-91090A, 9340-01-273-3976, 01-273-3976, 9340012733976, 012733976
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
93 | FEB 25, 1988 | 01-273-3976 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
ROUNDED CORNERS

Cross Reference | NSN 9340-01-273-3976
Part Number | Cage Code | Manufacturer |
---|---|---|
101152-003 | 62054 | M G TOOL COAFFIL OF GENERAL HARDWARE MFG CO INC |
71-91090A | 07700 | TECHNICAL WIRE PRODUCTS LLCDBA TWP |
Technical Data | NSN 9340-01-273-3976
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | ROUNDED CORNERS |
OVERALL LENGTH | 4.340 INCHES MINIMUM AND 4.380 INCHES MAXIMUM |
OVERALL WIDTH | 3.340 INCHES MINIMUM AND 3.380 INCHES MAXIMUM |
OVERALL THICKNESS | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
FIRST CORNER RADIUS | 0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
SECOND CORNER RADIUS | 0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
THIRD CORNER RADIUS | 0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
FOURTH CORNER RADIUS | 0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
MATERIAL | GLASS |
MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE |
MATERIAL TRANSPARENCY | CLEAR |
WIRE MESH PATTERN | SQUARE |
EDGE TYPE | FLAT FINISH |
PLY QUANTITY | 2 |
COLOR | GRAY |