AIA/NAS 5313-2013 pdf download SCREW, SHEAR, FLAT FILLISTER HEAD, CLOSE TOLERANCE, SHORT THREAD, NAS1 800 SIX LOBE RECESS, 95 KSI FSU
MATERIAL:
CRES – A286 (UNS S66286) CONFORMING TO THE CHEMISTRY OF AMS5731 , AMS5732, AMS5737 OR AMS5853.
TITANIUM ALLOY – 6Al-4V (UNS R56400) PER AMS4928 OR AMS4967.
HEAT TREAT:
DEVELOP BASIC MATERIAL PROPERTIES AS FOLLOWS, WITH CONTROLS PER AMS2759 FOR CRES AND AMS-H-81 200 OR AMS2801 FOR TITANIUM.
CRES – 1 60-1 90 KSI FTU PRECIPITATION HARDENING PER AMS5853 OR AMS2759. /1 2/
TITANIUM – 160 KSI FTU MIN PER AMS-H-81200 OR AMS2801 .
FINISH:
CRES – PASSIVATE IN ACCORDANCE WITH AMS2700, METHOD 1 , TYPE 2 OR TYPE 8, CLASS 1 OR CADMIUM PLATE PER AMS-QQ-P-41 6, TYPE II, CLASS 2.
TITANIUM ALLOY – NONE OR ALUMINUM PIGMENTED COATING PER NAS4006 WITH LUBRICATION.
LUBRICATION:
TITANIUM ALLOY WITH PIGMENTED COATING – CETYL ALCOHOL LUBRICANT PER MIL-L-871 32 AS871 32, TYPE III, GRADE B.
CODE:
BASIC PART NUMBER = SCREW, FILLISTER HEAD, NAS1 800 SIX LOBE RECESS.
MATERIAL CODE AFTER BASIC PART NUMBER:
ADD “E” FOR CRES.
ADD “V” FOR TITANIUM.
DIAMETER DASH NUMBER DESIGNATES DIAMETER AND THREAD.
FINISH CODE AFTER DIAMETER DASH NUMBER:
ADD “-” FOR PASSIVATION (CRES ONLY).
ADD “-” FOR BARE TITANIUM.
ADD “A” FOR ALUMINUM PIGMENTED COATING (TITANIUM ONLY).
ADD “P” FOR CADMIUM PLATING (CRES ONLY).
GRIP DASH NUMBER DESIGNATES GRIP IN .0625 INCREMENTS (SEE TABLE II).
TYPE CODE AFTER GRIP DASH NUMBER:
NO CODE FOR UNDRILLED HEAD.
ADD “H” FOR DRILLED HEAD.
AIA/NAS 5313-2013 pdf download
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