4140-01-306-4728 FAN,TUBEAXIAL Index 9340-01-306-4730 WINDOW,OBSERVATION

National Stock Number:
9330-01-306-4729

Federal Supply Class:
9330

National Item Identification Number:
013064729

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:
551603753711NAVAL SEA SYSTEMS COMMAND
5516037-00153711NAVAL SEA SYSTEMS COMMAND
MIL-P-542581349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COLORRED
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY COLOR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5425,FINISH A MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL TRANSPARENCYTRANSLUCENT
MATERIALPLASTIC ACRYLIC
OVERALL LENGTH2.050 INCHES NOMINAL
OVERALL THICKNESS0.060 INCHES NOMINAL
OVERALL WIDTH1.350 INCHES NOMINAL
SPECIAL FEATURESPROTECTIVE COVERING MATERIAL ON BOTH SIDES
STYLE DESIGNATORSQUARE CORNERS


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