6650-01-346-1398 CELL,OPTICAL ELEMENT Index 2040-01-346-1400 DOOR,ROLLER CURTAIN

National Stock Number:
2040-01-346-1399

Federal Supply Class:
2040

National Item Identification Number:
013461399

Description:
DOOR,ROLLER CURTAIN

Detail:
A LARGE METALLIC OR NONMETALLIC CLOSURE USED TO CLOSE THE OPENING IN A HANGAR, BUILDING, WAREHOUSE, AND THE LIKE TO EXCLUDE LIGHT AND WIND, MAINTAIN REASONABLE WEATHER TIGHTNESS, AND PROVIDE AUXILIARY ACCESS TO AREAS OUTSIDE THE AREA PROPER. IT IS COMPRISED OF HORIZONTAL INTERLOCKING SLATS AND GUIDED AT THE ENDS BY CHANNEL TRACKS. THE ITEM MAY BE DESIGNED FOR ROLLING ON A SPRING COUNTERBALANCED DRUM OR BE LATERALLY GUIDED BY CHANNEL TRACKS. IT MAY BE POWER OR HAND OPERATED AND MAY INCLUDE A HOOD OR COVER FOR THE ROLLER DRUM MECHANISM.


Manufacturer Information:
701-2298824 PC 26480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
COUNTERBALANCE METHODHELICAL STEEL SPRINGS
GUIDE TYPECHANNEL TRACK
OPERATIONAL DIRECTIONHORIZONTAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-15083, GRADE 120-95 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 105-85
SPECIAL FEATURESBOTTOM DOG (LH)


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