AIA/NAS 5313-2006 pdf download SCREW, SHEAR, FLAT FILLISTER 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 5732AMS 5737 OR AMS 5853.
TITANIUM ALLOY – 6AL-4V (UNS R56400) PER AMS 4928 OR AMS 4967
HEAT TREAT:
DEVELOP BASIC MATERIA PROPERTIES AS FOLLOWS,WIH 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 – 160 KSI FTU MIN PER AMS-H-81200 OR AMS 2801.
FINISH:
CRES – PASSIVATE IN ACCORDANCE WITH AMS 2700,METHOD 1 TYPE 2 OR TYPE 8, CLASS 1OR CADMIUM PLATE PER AMS-QQ-P-16,TYPE IICLASS 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 IIIGRADE B
CODE:
BASIC PART NUMBER = SCREW,FILLISTER HEAD, NAS1800 SIX LOBE RECESSMATERIAL CODE AFTER BASIC PART NUMBER:ADD“E”FOR CRES.ADD”V”FOR TITANIUM.DIAMETER DASH NUMBER DESIGNATES DIAMETER AND THREADFINISH 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 IN .0625 INCREMENTS (SEE TABLE III)TYPE CODE AFTER GRIP DASH NUMBER:NO CODE FOR UNDRILLED HEAD.ADD“H” FOR DRILLED HEAD
EXAMPLE OF PART NUMBERS:
NAS5313E3-10
NAS5313V5-15
NAS5313V5A15
NAS5313E3P10
SCREW,.1900-32 THREAD,PASSIVATED CRES,.625-GRIPSCREW,3125-24 THREAD,TITANIUM ALLOY,938 GRIP
SCREW,3125-24 THREAD,ALUMINUM PIGMENTEDCOATED TITANIUM,938 GRIP
SCREW,.1900-32 THREAD,CADMIUM PLATED CRES-.625GRIP
NAS5313V06A19HSCREW,1380-32 THREAD,ALUMINUM PIGMENTED0COATED TITANIUM,1.188 GRIP,DRILLED HEAD.
NOTES:
(1) CONCENTRICITY:”D”AND THREAD PITCH DIAMETERS WITHIN “Y” VALUES FIM.”B”AND“D”DIAMETERS WITHIN “X”VALUES FIMRECESS TO SHANK WITHIN.016 FIM THRU .2500 SIZE: WITHIN .24 FIM ABOVE 2500 SIZE.
(2) SHANK STRAIGHTNESS: WITHIN “Z” VALUES FIM PER INCH OF LENGTH(3) RECESS GAGING IN ACCORDANCE WITH NAS1800.
AIA/NAS 5313-2006 pdf download
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