4730-00-137-7831 FLANGE,PIPE Index 5970-00-137-7834 INSULATOR,BUSHING

National Stock Number:
5670-00-137-7833

Federal Supply Class:
5670

National Item Identification Number:
001377833

Description:
GRATING,METAL

Detail:
A FABRICATED PANEL OF RIGID CONSTRUCTION. THE EQUIDISTANCED PARALLEL BARS ARE REINFORCED BY WELDING, RIVETING OR CASTING THE CROSS MEMBERS AT EITHER RIGHT ANGLES OR DIAGONALLY TO THE BEARING BARS. IT IS USED PRIMARILY AS FLOORING WHERE VENTILATION AND LIGHT ARE REQUIRED, THE LOAD CARRYING CAPACITY BEING THE DETERMINING FACTOR.


Manufacturer Information:
RRG66181348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
MATERIALSTEEL
BAR DEPTH0.1563 INCHES MINIMUM AND
0.2187 INCHES MAXIMUM
BAR THICKNESS0.1563 INCHES MINIMUM AND
0.2187 INCHES MAXIMUM
PANEL WIDTH23.975 INCHES MINIMUM AND
24.250 INCHES MAXIMUM
PANEL LENGTH239.750 INCHES MINIMUM AND
240.250 INCHES MAXIMUM
MAIN BAR DIRECTIONLENGTHWISE
DISTANCE BETWEEN PARALLEL BARS1.000 INCHES NOMINAL
CROSSBAR SHAPESTRAIGHT
CROSSBAR ATTACHING METHODWELDED
GRATE FASTENERSPROVIDED
CENTER TO CENTER DISTANCE4.000 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA1 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCERRG661


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