AIA/NAS 559-2011 pdf download LOCK, ROD END (KEY TYPE)
MATERIAL:
TYPE “A”, ALLOY STEEL 41 30 (UNS G41 300) PER AMS-S-6758.
TYPE “B”, ALLOY STEEL 41 30 (UNS G41 300) PER AMS6345, AMS6350, OR AMS6351 .
FINISH:
CADMIUM PLATE PER AMS-QQ-P-41 6, TYPE II, CLASS 2.
TYPE I, INACTIVE FOR DESIGN AFTER OCTOBER 1 5, 1 993. /8/
HEAT TREAT:
DEVELOP BASIC MATERIAL PROPERTIES AS FOLLOWS, WITH CONTROLS PER AMS-H-6875 OR AMS2759.
ALLOY STEEL: 1 80-200 KSI Ftu 40-43 HRC.
CODE:
NO LETTER AFTER DASH NUMBER FOR TYPE A LOCK, MADE FROM BAR, RODS AND FORGING STOCK.
ADD “L” AFTER DASH NUMBER FOR TYPE B LOCK, MADE FROM PLATE SHEET AND STRIP.
EXAMPLES OF PART NUMBER:
NAS559-5 = LOCK, TYPE A FOR USE WITH .750 INCH THREAD.
NAS559-2L = LOCK, TYPE B FOR USE WITH .375 INCH THREAD.
NOTES:
(1 ) DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
3) ALTERNATE METHOD OF FABRICATION FOR TYPE A: PROFILE IS MACHINED AND END CURLED TO FORM LOCKWIRE HOLE.
(4) TYPE B IS FORMED FROM “T” SHEET.
(5) REMOVE ALL BURRS AND SHARP EDGES.
(6) THIS LOCK IS INTENDED FOR USE WITH NAS509 JAM NUT FOR POSITIVE LOCKING OF ROD END TERMINALS TO HYDRAULIC PISTON RODS, TIE RODS ENDS, PUSH PULL RODS, ETC.
(7) SEE SHEET 3 FOR INSTALLATION INFORMATION.
/8/ PARTS WITH TYPE I PLATING MAY BE FURNISHED FROM SUPPLIERS’ STOCK UNTIL DECEMBER 31 , 1 995.
(9) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
(1 0) UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED.
(1 1 ) REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID.
(1 2) TOLERANCES UNLESS OTHERWISE SPECIFIED: DECIMALS ± .01 0 ANGLES ± 0° 30′.
(1 3) DIMENSIONING AND TOLERANCING PER ANSI Y1 4.5M-1 982.

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