AIA/NAS 77-2013 pdf download BUSHING, FLANGED, PRESS FIT STEEL, CRES, BRONZE & COPPER
MATERIAL:
ALUMINUM BRONZE – ALLOY 642 (UNS C64200) PER ASTM B 150/B 150M, CONDITION HR50(TENSILE TEST, CERTIFICATION AND MILL TEST REPORTS REQUIRED) OR ALLOY 630(UNS C63000) PER AMS4640.
ALLOY TEEL – 4130 (UNS G41300) PER AMSS-6758 OR AMS6346 OR 8630(UNS G86300) PERAMS6280. SEAMLESS ALLOY STEEL TUBING MAY BE USED AS AN OPTIONAL MATERIALPROVIDED THE FINISHED PRODUCT MEETS ALL OTHER REQUIREMENTS OF THIS DRAWINGWHEN 4130 ALLOY STEEL PER AMS6346 OR AMS-S-6758,CONDITION F-4 IS USED,HEATTREATMENT IS NOT REQUIRED AND THE HARDNESS SHALL BE VERIFIED IN ACCORDANCEWITH AMS2759
CRES -17-4PH (UNS S17400) PER AMS5643
COPPER-BERYLLIUM PER ASTM B 196/B 196M,TEMPER THO4 (HT).MECHANICAL PROPERTIESCERTIFICATIONS AND MILL TEST REPORTS REOUIRED.
HEAT TREATMENT:
ALLOY STEEL – HEAT TREAT PER AMS2759 TO 125,000 – 145000 PSI
CRES – PRECIPITATION HEAT TREAT PER AMS2759 TO CONDITION H 1025.
FINISH:
CADMIUM PLATING PER AMS-QQ-P-416，TYPE IICLASS 2.7/CRES – PASSIVATE PER AMS2700,METHOD 1, TYPE 20R TYPE 8,CLASS- CLASS 4.ALUMINUM COAT PER NAS4006, ON OUTSIDE DIAMETER & FLANGE, OVERSPRAY NOT PERMITED
CODE:
ADD “-“AFTER BASIC NUMBER TO INDICATE ALLOY STEEL, CADMIUM PLATE ALL SURFACES FORALLOY STEEL WITH A”” BUT WITHOUT AN N” IN THE PART NUMBERCADMIUM PLATE OUTSIDESURFACES ONLY AND NO PLATING ON ID WHEN BOTH “-” AND “N” ARE SED,SEE EXAMPLES.ADD “A”AFTER BASIC NUMBER FOR ALUMINUM BRONZE.ADD “B”AFTER BASIC PART NUMBER FOR COPPER-BERYLLIUM.ADD“C”AFTER BASIC PART NUMBER FOR CRES.FIRST DASH NUMBER INDICATES SIZE CODE IN .0625 INCH INCREMENTS.SECOND DASH NUMBER INDICATES GRIP IN .010 INCH INCREMENTS.(USE THREE DIGIT CALLOUT)ADD “P” AFTER SECOND DASH NUMBER FOR CADMIUM PLATED ALL SURFACES (APPLICABLE TO “A”B”&”C”MATERIAL CODES ONLY)ADD “N” AFTER SECOND DASH NUMBER FOR CADMIUM PLATED OUTSIDE SURFACES ONLY AND NOPLATING ON ID (APPLICABLE TO ALL MATERIAL CODES)ADD “A” AFTER SECOND DASH NUMBER FOR ALUMINUM COAT PER NAS4006,ON OUTSIDEDIAMETER & FLANGE，OVERSPRAY NOT PERMITED.
COLOR CODE: /11/
ALUMINUM BRONZE, CADMIUM PLATED,TYPE II CLEAR，ALL SURFACES /7/ALUMINUM BRONZE, CADMIUM PLATED, TYPE II CLEAR, OUTSIDE SURFACES ONLY, UNPLATED IDALUMINUM BRONZE,NO PLATINGNATURAL COLOR ON OD AND IDALUMINUM BRONZENO PLATING, ALUMINUM COATED, LIGHT BLUE DYE ON NONFLANGED ENDCOPPER-BERYLLIUM，CADMIUM PLATED,TYPE IIOLIVE DRAB CHROMATECOPPER-BERYLLIUM, CADMIUM PLATED, TYPE II, OLIVE DRAB CHROMATE OUTSIDE SURFACES ONLY
UNPLATED ID
COPPER-BERYLLIUM,NO PLATING -NATURAL COLOR ON OD AND IDALLOY STEEL，CADMIUM PLATED，TYPE IIYELLOW CHROMATE