AIA/NAS 44-2011 pdf download BUSBAR, ELECTRICAL
MATERIAL:
NO LETTER = SOFT COPPER SHEET, ASTM B1 52/B1 52M ANNEALED 025.
“A” = ALUMINUM ALLOY SHEET (UNS A93003) AMS-QQ-A-250/2, 3003 TEMPER H1 4 LIGHT COLD
ROLLED.
FINISH:
(WHEN SPECIFIED) “P” = CADMIUM PLATE PER AMS-QQ-P-41 6, TYPE I, CLASS 3 (FOR COPPER ONLY).
EXAMPLE OF PART NUMBER:
NAS44-1 0-4 COPPER BUS BAR FOR #1 0 SCREWPOST, 4 HOLES NO FINISH.
NAS44-1 0P5 CADMIUM PLATED COPPER BUS BAR FOR #1 0 SCREWPOST, 3 HOLES.
NAS44A1 0-2 ALUMINUM BUS BAR FOR #1 0 SCREWPOST, 2 HOLES.
NOTES:
(1 ) DIMENSIONS IN INCHES.
(2) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
(3) UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED.
(4) 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.
(5) TOLERANCES UNLESS OTHERWISE SPECIFIED: DECIMALS ±.01 0.
(6) DIMENSIONING AND TOLERANCING PER ANSI Y1 4.5M-1 982.
(7) THESE PARTS FOR USE WITH NAS1 91 TERMINAL BOARD.
/8/ -8 IS INACTIVE FOR NEW DESIGN, USE -1 91 .

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