9330-00-466-9644 WINDOW,OBSERVATION Index 6750-00-466-9657 STABILIZER,PHOTOGRAPHIC

National Stock Number:
9330-00-466-9650

Federal Supply Class:
9330

National Item Identification Number:
004669650

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:
LP39181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SMB75246280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ENVIRONMENTAL PROTECTIONDRY HEAT RESISTANT
OVERALL DIAMETER0.425 INCHES NOMINAL
OVERALL THICKNESS0.060 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-391,ITEM A,TYPE 1,GRADE C FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL TRANSPARENCYCLEAR
MATERIALPLASTIC
MINIMUM TENSILE STRENGTH9000 POUNDS PER SQUARE INCH
NONDEFINITIVE SPEC/STD DATAC GRADE AND A ITEM AND I TYPE
PLY QUANTITY1
STYLE DESIGNATORCIRCULAR


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