AIA/NAS 1423-2012 pdf download NUT, PLAIN, HEXAGON, DRILLED JAM, THIN
MATERIAL:
ALLOY STEEL: 4130 (UNS G41300) PER MIL-S-6758,COND D-D-40RF-4 AMS6346,AMS6348,ORAMS6528: OR 4340(UNS G43406) PER MIL-S-5000,COND C-OR C-4 AMS6415 OR AMS6484.CRES: A286(UNS S66286) PER AMS5525,AMS5732,OR AMS5737.
HEAT TREATMENT:
4130: 34-38 HRC(150 KSI MIN Ftu) PER AMS2759.
4340: NORMALIZE,HARDEN,AND TEMPER,34-38 HRC (150 KSI MIN Fu) PER AMS2759.
CRES: 150 KSIMIN FU PER AMS2759.
FINISH:
ALLOY STEEL: CADMIUM PLATE PER AMS-QQ-P-416,TYPE II, CLASS 2 PARTS ALREADY MADE WITHCLASS 3 PLATING MAY BE FURNISHED FROM SUPPLIERS’ STOCK UNTIL 15 SEPT1974CRES: PASSIVATE PER AMS2700，METHOD 1CLASS 4
CODE:
DASH NUMBER DESIGNATES THREAD SIZE AS NOTED IN TABLE ISUFFIX“L”TO DASH NUMBER FOR LEFT HAND THREADLETTER“C”IN LIEU OF DASH INDICATES CRES MATERIAL
EXAMPLES OF PART NUMBER:
NAS1423-4ALLOY STEEL NUT,CADMIUM PLATED，2500-28 UNJF-3B”ALLOY STEEL NUT,CADMIUM PLATED，2500-28 UNJF-3B-LH (LEFT HAND THREAD)NAS1423-4LH=NAS1423C4
CRES NUT，PASSIVATED，2500-28 UNJF-3B

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