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


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