AIA/NAS 424-2012 pdf download COUPLING, TUBE, FLARED FITTING, FEMALE THREAD
MATERIAL:
STEEL PER PROCUREMENT SPECIFICATION.
ALUMINUM ALLOY PER PROCUREMENT SPECIFICATION.
FINISH:
STEEL – CADMIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 2. PARTS WITH CLASS 3 PLATING MAY BE FURNISHED FROM SUPPLIER’S STOCK UNTIL 15 OCT. 1975.
ALUMINUM ALLOY – ANODIZE PER MIL-A-8625.
OTES:
/1/ COUPLINGS SHALL NOT BE REJECTABLE BECAUSE OF FLATS (HEX) ON “ØM” PROVIDED ALL APPLICABLE DIMENSIONS ARE MET.
(2) REMOVE ALL BURRS AND SHARP EDGES.
(3) DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
(4) TOLERANCES UNLESS OTHERWISE SPECIFIED: DECIMALS ± .015; ANGLES ± 5°.

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