9540-01-124-3756 BEAM,STRUCTURAL Index 4820-01-124-3758 SEAT,VALVE

National Stock Number:
9330-01-124-3757

Federal Supply Class:
9330

National Item Identification Number:
011243757

Description:
WINDOW,OBSERVATION

Detail:
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.


Manufacturer Information:
SM-B-92108380063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
EDGE TYPEFLAT FINISH
ENVIRONMENTAL PROTECTIONHIGH TEMPERATURE RESISTANT
FIRST CORNER RADIUS0.156 INCHES NOMINAL
FOURTH CORNER RADIUS0.156 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5425,FINISH A MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL TRANSPARENCYCLEAR
MATERIALPLASTIC
OVERALL LENGTH1.171 INCHES NOMINAL
OVERALL THICKNESS0.068 INCHES MINIMUM AND 0.092 INCHES MAXIMUM
OVERALL WIDTH1.064 INCHES NOMINAL
SECOND CORNER RADIUS0.156 INCHES NOMINAL
STYLE DESIGNATORROUNDED CORNERS
SURFACE FINISHPOLISHED
THIRD CORNER RADIUS0.156 INCHES NOMINAL


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