AIA/NAS 945-2012 pdf download CAP, PROTECTIVE, NAS591 COUPLING
CODE:
PART NUMBER CONSISTS OF THE BASIC NUMBER PLUS A DASH NUMBER FROM TABLE I.
EXAMPLE OF PART NUMBER:
NAS945-1 6 = CAP FOR 1 INCH TUBE ASSEMBLY EQUIPPED WITH NAS591 COUPLINGS
NOTES:
(1 ) INTENDED USE: CAP FOR TUBE ASSEMBLIES USING NAS591 COUPLINGS.
(2) PERMANENTLY MARK WITH MANUFACTURERS NAME OR TRADEMARK AND NAS PART NUMBER.
(3) TOLERANCES UNLESS OTHERWISE SPECIFIED: XXX ±.01 0.
(4) FOR USAGE REQUIREMENTS REFER TO SPECIFICATION NAS81 0.
(5) GENERAL REQUIREMENTS FOR CLOSURES DESCRIBED HEREIN:
a) THE CAP SHALL BE CAPABLE OF PERFORMING ITS INTENDED FUNCTION WITHOUT LOOSENING OR FALLING OFF WHEN SUBJECTED TO NORMAL HANDLING AND VIBRATION EXPERIENCED IN THE TRANSPORTATION OF PARTS ON WHICH IT MAY BE INSTALLED.
b) THE CAP MUST BE EASILY INSTALLED AND REMOVED AND CAPABLE OF WITHSTANDING REPEATED REMOVAL AND REPLACEMENT.
c) THE MATERIAL SHALL NOT SHRED OR CHIP UNDER NORMAL USE.
d) THE CAP SHALL BE CAPABLE OF WITHSTANDING A POSITIVE PRESSURE OF 2 PSI WITHOUT BLOWING OFF AND A NEGATIVE PRESSURE OF 2 PSI WITHOUT COLLAPSING.
e) CLOSURES SHALL BE FREE FROM WARPAGE, CRACKS, CHIPPED EDGES, BLISTERS, BURRS AND FLASH.
(6) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
(7) UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED.
(8) UNLESS OTHERWISE SPECIFIED HEREIN, REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON DATE OF MANUFACTURE. HOWEVER, EXISTING MATERIAL INVENTORY CERTIFIED TO A PREVIOUS REVISION OF THE APPLICABLE MATERIAL SPECIFICATION(S) IS ACCEPTABLE FOR USE UNTIL DEPLETION.
(9) DIMENSIONING AND TOLERANCING PER ANSI Y1 4.5M-1 982.

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