AIA/NAS 5314-2006 pdf download SCREW, SHEAR, PAN HEAD, CLOSE TOLERANCE, SHORT THREAD, NAS1800 SIX LOBE RECESS, 95 KSI FSU
MATERIAL:
CRES – A286 (UNS S66286) CONFORMING TO THE CHEMISTRY OF AMS 5731，AMS 5732,AMS 5737 OR AMS 5853.
TITANIUM ALLOY – 6AL-4V (UNS R56400) PER AMS 4928 OR AMS 4967.
HEAT TREAT:
DEVELOP BASIC MATERIAL PROPERTIES AS FOLLOWS，WITH CONTROLS PER AMS-H-6875 ORAMS2759 FOR CRES AND AMS-H-81200 OR AMS 2801 FOR TITANIUM.
CRES – 160 – 190 KSI FTU. PRECIPITATION HARDENING PER AMS 5853 OR AMS 2759.(12)
TITANIUM -160KSI FTU MIN PER AMS-H-81200 OR AMS2801
FINISH:
CRES – PASSIVATE IN ACCORDANCE WITH AMS 2700, METHOD 1,TYPE 2 OR TYPE 8,CLASS1OR CADMIUM PLATE PER AMS-QQ-P-416，TYPE ICLASS 2. POST PLATE HYDROGENEMBRITTLEMENT BAKING AND TESTING PER AMS-QQ-P-416 ARE NOT REQUIRED.
TITANIUM ALLOY NONE OR ALUMINUM PIGMENTED COATING PER NAS4006 WITH CETYLALCOHOL LUBRICANT PER MIL-L-87132，TYPE III，GRADE B
CODE:
BASIC PART NUMBER = SCREW，PAN HEADNAS1800 SIX LOBE-RECESSMATERIAL 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 TITANIUMADD“A”FOR ALUMINUM PIGMENTED COATING (TITANIUM ONLY).ADD“P”FOR CADMIUM PLATING (CRES ONLY).GRIP DASH NUMBER DESIGNATES GRIP LENGTH IN .0625 (SEE TABLE II)
EXAMPLES OF PART NUMBERS:NAS5314E3-10SCREW，.1900-32 THREAD，PASSIVATED CRES，625 GRIP”
NAS5314V5-15SCREW，.3125-24 THREAD，TITANIUM ALLOY，.938 GRIP”
NAS5314V5A15SCREW.3125-24 THREAD，ALUMINUM PIGMENTED”COATEDTITANIUM，.938 GRIP，SCREW，.1900-32 THREAD，CADMIUM PLATED CRES,.625 GRIPNAS5314E3P10

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