AIA/NAS 5315-2006 pdf download SCREW, SHEAR, 100 DEG FLUSH HEAD, CLOSE TOLERANCE, SHORT THREAD, NAS1800 SIX LOBE RECESS, 95 KSI FSU
CODE:
BASIC PART NUMBER = SCREW，100 DEG 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 (TITANIUM ONLY).ADD“P”FOR CADMIUM PLATING(CRES ONLY).GRIP DASH NUMBER DESIGNATES GRIP LENGTH IN .0625 INCH INCREMENTS (SEE TABLE III)TYPE CODE AFTER GRIP DASH NUMBER:ADD“D” FOR DRILLED THREADNO CODE = UNDRILLED.
EXAMPLES OF PART NUMBERS:
NAS5315E3-10SCREW，.1900-32 THREAD，PASSIVATED CRES，.625 GRIP1
NAS5315V5-15SCREW，3125-24 THREAD，TITANIUM ALLOY，.938 GRIP
NAS5315V5A15=SCREW，3125-24 THREAD，ALUMINUM PIGMENTED COATED TITANIUM,.938 GRIP.
SCREW，1900-32 THREAD，CADMIUM PLATED CRES，625 GRIPNAS5315E3P10=SCREW，.1380-32 THREAD，ALUMINUM PIGMENTED COATED TITANIUM,NAS5315V06A19D =1.188 GRIP，DRILLED THREAD
NOTES:
(1) CONCENTRICITY: CONICAL SURFACE OF HEAD TO OD WITHIN .003 FIM”OD” TO THREAD PITCHDIAMETER WITHIN “Y” VALUE 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. FLUSHNESS GAGE PROTRUSION SHALL BE INSPECTEDPER NAS9800.
(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 INACCORDANCE WITH THE APPLICABLE PROCUREMENT SPECIFICATION.
(6) SCREWS SHALL BE FREE FROM BURRS AND SHARP EDGES
(7) COTTER PIN HOLE CENTERLINE WITHIN .010 AND PERPENDICULAR WITHIN 2 DEGREES OF SCREWCENTERLINE
(8) SURFACE ROUGHNESS:”OD”，UNDERSIDE OF HEAD，THREAD ROOT AND THREAD FLANKS 32MICROINCHES，OTHER SURFACES 125 MICROINCHES PER ANSI/ASME B46.1.
NOTES:(CONTD)
(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 CRESMAGNETIC PERMEABILITY SHALL BE LESS THAN 2.0 (AIR = 1.0) FOR A FIELD STRENGTH OFH = 200 OERSTEDS USING A MAGNETIC PERMEABILITY INDICATOR PER ASTM A 342
(12)THE EFFECT OF COLD WOR AND AGING INDUCED DURING THE MANUFACTURING CYCLE MAY INCREASETHE ULTIMATE TENSILE LOAD (LBS) OF THE FINISHED PART,BUT ANY PART (TYPE I II OR III) SHALLNOT EXCEED (13)TIMES THE SPECIFIED TYPE I MINIMUM TENSILE LOAD (LBS).
TENSILE STRESS AREAS USED FOR CALCULATION OF ULTIMATE TENSILE STRENGTH VALUES ARE BASED(3)ON FED-STD-H28 SIZE .4375 AND LARGER ARE DERATED TO 78 PERCENT OF FULL STRENGTH
(14)IF REQUIRED, TENSILE TESTING OF SCREWS REQUIRING DRILLED THREADS SHOULD BE PERFORMED PRIORTO DRILLING AND THE APPLICATION OF PLATING AND/OR COATINGS WHEN SCREWS HAVE BEENDRILLED STRENGTH MAY BE VERIFIED BY SHEAR TESTING,IN LIEU OF TENSILE TESTING,INACCORDANCE WITH NASM1312 SERS SHOULD BE AWARE THAT SCREWS WITH DRILLED THREADS MAYEXHIBIT A REDUCTION IN TENSILE STRENGTH.
(15)THREADS SHALL BE PROTECTED FROM ABRASION AND CHAFING DURING HANDLING，TRANSPORTATIONAND STORAGE IN ACCORDANCE WITH PROCUREMENT SPECIFICATION REQUIREMENTS.
(16)”A””EAND “H” ARE INCLUDED FOR ENGINEERING REFERENCE PURPOSES ONLY AND ARE NOT TO BESED FOR INSPECTIONVALUES A”E AND H ARE CALCULATED LIMITS RESULTING FROM TOLERANCESON “OD”HEAD PROTRUSION，HEAD PROTRUSION GAGE DIAMETER AND THE HEAD ANGLESEE NAS9800 FOR HEAD PROTRUSION GAGING DATA.

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