AIA/NAS 591-2011 pdf download COUPLING, RIGID TUBE CONNECTOR, ALUMINUM
MATERIAL:
ALUMINUM ALLOY PER PROCUREMENT SPECIFICATION.
FINISH:
PER PROCUREMENT SPECIFICATION.
CODE:
AND “H” AFTER DASH NUMBER FOR COUPLING WITH DRILLED HEXAGON.
EXAMPLES OF PART NUMBERS:
NAS591-16 = ALUMINUM COUPLING WITHOUT DRILLED HEXAGON FOR 1 INCH TUBE
NAS591-16H = ALUMINUM COUPLING WITH DRILLED HEXAGON FOR 1 INCH TUBE
NOTES:
(1) REMOVE ALL BURRS AND SHARP EDGES.
(2) NO PORTION OF COUPLING TO BE LARGER IN DIAMETER THAN ACROSS CORNERS OF HEXAGON.
(3) DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.

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