AIA/NAS 5310-2006 pdf download SCREW, SHEAR, 130 DEG FLUSH HEAD, CLOSE TOLERANCE, NAS1800 SIX LOBE RECESS, 95 KSI FSU
MATERIAL:
CRES – A286(UNS S66286) CONFORMING TO THE CHEMISTRYOEAMS 5731，AMS5732AMS 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 ORAMS 2759 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 1TYPE 2 R TYPE 8.CLASS1OR CADMIUM PLATE PER AMS-QQ-P-416,TYPE IICLASS 2. POST PLATE HYDROGENEMBRITTLEMENT BAKING AND TESTING PER AMS-OO-P-416 ARE NOT REOUIRED
TITANIUM ALLOY NONE OR OPTIONAL ALUMINUM PIGMENTED COATING PER NAS4006 WITHCETYL ALCOHOL LUBRICANT PER MIL-L-87132，TYPE III，GRADE B.
CODE:
BASIC PART NUMBER = SCREW，130 FLUSH HEAD，NAS1800 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 WITH CETYL ALCOHOL (TITANIUM ONLY)ADD“P”FOR CADMIUM PLATING (CRES ONLY)GRIP DASH NUMBER DESIGNATES GRIP IN .625 INCREMENTS(SEE TABLE III)
EXAMPLE OF PART NUMBERS:
NAS5310E3-10SCREW，.1900-32 THREAD，PASSIVATED CRES，.625 GRIP
NAS5310V5A15SCREW，.3125-24 THREAD，ALUMINUM PIGMENTED COATEDTITANIUM，.938 GRIP.NAS5310V5-15SCREW，.3125-24 THREAD，TITANIUM ALLOY，.938 GRIP1
NAS5310E3P10SCREW，.1900-32 THREAD，CADMIUM PLATED CRES，.625GRIP
NOTES:
CONCENTRICITY:CONICAL SURFACE OF HEAD AND“OD”WITHIN .003 FIM.”OD”AND THREAD PITCHDIAMETER WITHIN “Y“VALUES FIM. RECESS TO D WITHIN .01 FIM THRU .2500 SIZE WITHIN .024FIM ABOVE .2500 SIZE.
2SHANK STRAIGHTNESS: WITHIN “Z” VALUES FIM PER INCH OF LENGTH.
(3RECESS GAGING IN ACCORDANCE WITH NAS1800.
4GRIP LENGTH: FROM TOP OF HEAD TO END OF FULL CYLINDRICAL PORTION OF SHANK.
5SCREW RECESSES SHALL MEET THE TORQUE TEST REQUIREMENTS SPECIFIED HEREIN WHEN TESTED INACCORDANCE WITH THE APPLICABLE PROCUREMENT SPECIFICATION
NOTES:(CONT’D)
6SCREWS SHALL BE FREE FROM BURRS AND SHARP EDGES
FLUSHNESS GAGE PROTRUSION SHALL BE INSPECTED PER NAS527.
8)SURFACE ROUGHNESS:”OD”UNDERSIDE OF HEAD,THREAD ROOT AND THREAD FLANKS 32MICROINCHES MAXALL OTHER SURFACES 125 MICROINCHES MAX PER ASME B46.1.
9THREADS IN ACCORDANCE WITH AS8879 MAJOR DIA SHALL BE .001 BELOW MIN SHANK DIAMETER.
(10)DIMENSIONS ARE IN INCHES AND APPLY TO THE FINISHED PRODUCT.
FOR CRES MAGNETIC PERMEABILITY SHALL BE LESS THAN 2.0 (AIR = 1.0) FOR A FIELD STRENGTH OF(1)H = 200 OERSTEDS USING A MAGNETIC PERMEABILITY INDICATOR PER ASTM A 342
(12)THE EFFECT OF COLD WORK AND AGING INDUCED DURING THE MANUFACTURING CYCLEMAY INCREASE THE ULTIMATE TENSILE LOAD (LBS) OF THE FINISHED PART BUT ANY PART(TYPE III OR III) SHALL NOT EXCEED 1.3 TIMES THE SPECIFIED TYPE I MINIMUM TENSILE LOAD(LBS)
THREADS SHALL BE PROTECTED FROM ABRASION AND CHAFING DURING HANDLING TRANSPORTATION(13)AND STORAGE IN ACCORDANCE WITH PROCUREMENT SPECIFICATION REOUIREMENTS.
(14)”A””E& “H” ARE INCLUDED FOR ENGINEERING REFERENCE PURPOSES ONLY AND ARE NOT TO BEUSED FOR INSPECTION.VALUES “A””E”& “H”ARE CALCULATED LIMITS RESULTING FROMTOLERANCES ON“OD”，”M”&“OV”AND HEAD ANGLE.
PROCUREMENT SPECIFICATION: NAS4003 FOR CRES, NAS4004 FOR TITANIUM,EXCEPT AS NOTED HEREIN. THEHEAD TO SHANK FILLET RADIUS SHALL BE COLD WORKED, BUT FATIGUE TESTING IS NOTREOUIRED.

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