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National Stock Number:
5670-00-056-4360
Federal Supply Class:
5670
National Item Identification Number:
000564360
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.
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Manufacturer Information:
| RRG661 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BAR DEPTH | 1.500 INCHES NOMINAL | | BAR THICKNESS | 0.188 INCHES NOMINAL | | CENTER TO CENTER DISTANCE | 4.000 INCHES NOMINAL | | CROSSBAR ATTACHING METHOD | WELDED | | CROSSBAR SHAPE | SPIRAL | | DISTANCE BETWEEN PARALLEL BARS | 1.000 INCHES NOMINAL | | GRATE FASTENERS | PROVIDED | | MAIN BAR DIRECTION | LENGTHWISE | | PANEL LENGTH | 144.000 INCHES NOMINAL | | PANEL WIDTH | 36.000 INCHES NOMINAL | | MATERIAL | STEEL | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE | | SURFACE TREATMENT | ZINC |
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