AIA/NAS 5316-2006 pdf download SCREW, SHEAR, 100 DEG FLUSH HEAD, CLOSE TOLERANCE, SELF-LOCKING, NAS1800 SIX LOBE RECESS, 95 KSI FSU
MATERIAL:
CRES – A286 (UNS 66286) 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
LOCKING ELEMENT – POLYETHYLENE TEREPHTHALATE (POLYESTER) PER AMS 3612 ORPOLYAMIDE-IMIDE PER AMS 3670， COLOR OPTIONAL， 400 DEG MAXLOCKING TORQUEAPPLICABLE FOR 5 TORQUE CYCLES.
HEATTREAT:
DEVELOP BASIC MATERIAL PROPERTIES AS FOLLOWS，WITH CONTROLS PER AMS-H-6875OR AMS2759 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, CLASS1 OR CADMIUM PLATE PER AMS-QQ-P- 16TYPE ICLASS 2. POST PLATE HYDROGENEMBRITTLEMENT BAKING AND TESTING PER AMS-OO-P-416 ARE NOT REOUIRED
TITANIUM ALLOY NONE OR ALUMINUM PIGMENTED COATING PER NAS4006 WITH CETYLALCOHOL LUBRICANT PER MIL-L-87132，TYPE IGRADE B
CODE:
BASIC PART NUMBER = SCREW，SELF-LOCKING，100 DEG FLUSH HEAD，NAS1800 SIX LOBERECESS.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 III)TYPE CODE AFTER GRIP DASH NUMBER DESIGNATES LOCKING-TYPE:ADD JFOR POLYETHYLENE TEREPHTHALATE (POLYESTER) OR POLYAMIDE-IMIDE LOCKINGELEMENT AVAILABLE IN PATCH FORM ONLY.
EXAMPLES OF PART NUMBERS:
NAS5316E3-10JSCREW，1900-32 THREAD，PASSIVATED CRES，625 GRIPPOLYESTER1LOCKING ELEMENT.SCREW，3125-24 THREAD,TITANIUM ALLOY，938 GRIP，POLYESTERLOCKING ELEMENTSCREW，.3125-24 THREAD，ALUMINUM PIGMENTED COATED TITANIUM938 GRIP.POLYESTER LOCKING ELEMENT.SCREW，.1640-32 THREAD，CADMIUM PLATED CRES，625 GRIPPOLYESTER LOCKING ELEMENT.
NAS5316V5-15]
NAS5316V5A15]
NAS5316E08P10]=
NOTES:
(1) CONCENTRICITY:D TO THREAD PITCH DIAMETER WITHIN “Y” VALUES FIM. CONICAL SURFACE OFHEAD TO “O” WITHIN .005 FIM RECESS TO OD” WITHIN .016 FIM THRU .2500 SIZE WITHIN .024FIM ABOVE .2500 SIZE
(2) SHANK STRAIGHTNESS: WITHIN “Z”VALUES FIM PER INCH OF LENGTH
(3) RECESS GAGING IN ACCORDANCE WITH NAS1800.
NOTES: (CONT’D)
(4) GRIP LENGTH: FROM TOP OF HEAD TO END OF FULL CYLINDRICAL PORTION OF SHANK.
(5) SCREW RECESSES SHALL MEET THE TORQUE TEST REQUIREMENTS SPECIFIED HEREIN WHEN TESTED IN ACCORDANCE WITH THE APPLICABLE PROCUREMENT SPECIFICATION.
(6) SCREWS SHALL BE FREE FROM BURRS AND SHARP EDGES.
(7) FLUSHNESS GAGE PROTRUSION SHALL BE INSPECTED PER NAS9800.
(8) SURFACE ROUGHNESS: “ØD”, UNDERSIDE OF HEAD, THREAD ROOT AND THREAD FLANKS 32 MICROINCHES, OTHER SURFACES 125 PER ASME B46.1.
(9) THREADS IN ACCORDANCE WITH AS8879; MAJOR DIA SHALL BE .001 BELOW MIN SHANK DIAMETER.
(10) DIMENSIONS ARE IN INCHES AND APPLY TO THE FINISHED PRODUCT.
(11) FOR CRES, MAGNETIC PERMEABILITY SHALL BE LESS THAN 2.0 (AIR = 1.0) FOR A FIELD STRENGTH OF H = 200 OERSTEDS USING A MAGNETIC PERMEABILITY INDICATOR PER ASTM A 342.

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