AIA/NAS 662-2010 pdf download SCREW, MACHINE, FLAT 1 00 DEGREE HEAD, PLAIN AND SELF-LOCKING
MATERIAL:
FINISH:
CODE:
CARBON STEEL(UNS K00802) PER AMS5061.CRES 300 SERIES PER AMS-QQ-S-763 OR AMS-S-7720, OR 384 (UNS S38400) R XM-7 (UNS S30430) PERASTM A 493:EXCEPT 80.000 PSIMINIMUM ULTIMATE STRENGTHBRASS (UNS C36000) PER ASTM B 16/B 16M TEMPER HO2 OR (UNS C27000) PER ASTM B 134/B 134M
CARBON STEEL – CADMIUM PLATE PER AMS-QQ-P-416TYPE IICLASS 2CRES – PASSIVATE PER AMS-QQP-35 AMS2700,METHOD 1,CLASS 4.BRASS CADMIUM PLATE PER AMS-QQ-P-416, TYPE I, CLASS 2, YELLOW IRIDESCENT POST PLATE
ADD”” BEFORE FIRST DASH NUMBER FOR ALLOY STEEL，CADMIUM PLATEDADD“C”BEFORE FIRST DASH NUMBER FOR CRESPASSIVATED.ADD”B” BEFORE FIRST DASH NUMBER FOR BRASSCADMIUM PLATED.ADD “R” BEFORE SECOND DASH NUMBER FOR CRUCIFORM RECESS.SIZES .0860 AND .0990 ONLY MAYHAVE CRUCIFORM RECESS.
ADD “LE” BEFORE SECOND DASH NUMBER FOR OPTIONAL SELF-LOCKING ELEMENT, “LL” FOR STRIP TYPE”LN” FOR BUTTON TYPE OR “LP” FOR PATCH TYPE. OMIT FOR NON-SELF-LOCKING
EXAMPLES OF PART NUMBERS:
NAS662-3-4
NAS662C3R4
.0990-48 STEEL SCREW, CADMIUM PLATED,.250 INCH LONG WITH SLOT RECESS,NON-SELFLOCKING.
=.0990-48 CRES SCREW,.250 INCH LONG WITH CRUCIFORM RECESS,NON-SELF-LOCKING
NAS662-3LER4=.0990-48 STEEL SCREW,CADMIUM PLATED,.250 INCH LONG WITH CRUCIFORM RECESS ANDOPTIONAL SELF-LOCKING ELEMENT.
NOTES:
/1/”R” MINIMUM (5 THREAD PITCHES) – REGION OF MINIMUM ENGAGEMENT WITH FULL FEMALE THREADREQUIRED FOR OPTIMUM LOCKING. LENGTH OR DIAMETER OF LOCKING ELEMENT MAY BE MORE OR LESSTHAN “R”PROVIDING ALL OTHER REQUIREMENTS ARE MET
12/”P” – ONE COMPLETE THREAD PLUS UNTHREADED PORTION OF END. FOR EASE IN STARTINGLOCKING ELEMENT SHALL NOT BE EFFECTIVE WITHIN THIS AREA.
REMOVE ALL BURRS AND SHARP EDGES
DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
FOR CRES,MAGNETIC PERMEABILITY SHALL BE LESS THAN 2.0 (AIR = 1.0) FOR A FIELD STRENGTH H =200 OERSTEDS USING A MAGNETIC ERMEABILITY INDICATOR PER ASTM A 342/A 342M,TEST METHOD 3.

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