1680-00-468-1417 SUPPORT,ANTI TORQUE Index 1680-00-468-1419 ADAPTER,ACTUATOR MO

National Stock Number:
9340-00-468-1418

Federal Supply Class:
9340

National Item Identification Number:
004681418

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:
19D5003P379500WESTINGHOUSE ELECTRIC CORP
1JH1922REVAPC679500WESTINGHOUSE ELECTRIC CORP
1JH2798REVCPC579500WESTINGHOUSE ELECTRIC CORP
228-63-0446ITEM4380064NAVAL SHIP SYSTEMS COMMAND
304-63-0224ITEM3780064NAVAL SHIP SYSTEMS COMMAND
308-63-0234ITEM3780064NAVAL SHIP SYSTEMS COMMAND
55J466SUB3ITEM679500WESTINGHOUSE ELECTRIC CORP
563-4105-1089738ITEM780064NAVAL SHIP SYSTEMS COMMAND
567-4105-1160780ITEM680064NAVAL SHIP SYSTEMS COMMAND
6101-1493612REVAPC680064NAVAL SHIP SYSTEMS COMMAND
3135921PC28GLASS80064NAVAL SHIP SYSTEMS COMMAND
3168128PC3480064NAVAL SHIP SYSTEMS COMMAND
405-4105-538528ITEM3080064NAVAL SHIP SYSTEMS COMMAND
4111-1559407REVCPC580064NAVAL SHIP SYSTEMS COMMAND
F1067ITEM3772957ELLIOTT COMPANY
F1070ITEM3772957ELLIOTT COMPANY
F1128-2ITEM3072957ELLIOTT COMPANY
F917ITEM4372957ELLIOTT COMPANY
F924ITEM4372957ELLIOTT COMPANY
G182-1PCF0R3372957ELLIOTT COMPANY
G267-2SH2ITEM772957ELLIOTT COMPANY
G495-1PC28GLASS72957ELLIOTT COMPANY
G503SH1ITEM1172957ELLIOTT COMPANY
G536-2PC3472957ELLIOTT COMPANY
G549-1SH1ITEM872957ELLIOTT COMPANY
T1-4111-1441242ITEM880064NAVAL SHIP SYSTEMS COMMAND
MILG285781349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
OVERALL DIAMETER1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
OVERALL THICKNESS0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-451 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL TRANSPARENCYCLEAR
MATERIALGLASS
SPECIAL FEATURESMARKING 0.250 IN FROM EDGE
SPECIAL MARKINGSHEAT TREATED
STYLE DESIGNATORCIRCULAR
SURFACE FINISHPOLISHED


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