AIA/NAS 1301-2011 pdf download SCREW, PAN HEAD, ASSEMBLED WASHERS
MATERIAL:CARBON STEELSCREW: STEEL PER ASTM A 663/A 663M,55000 PSI MINIMUM TENSILE STRENGTHFLAT WASHER: 1020(UNS G10200) PER MH-S-7952 AMS5046
BRASS
CRES
SCREW: COMMERCIAL BRASS (UNS C26000),55,000 PSI MINIMUM TENSILE STRENGTHFLAT WASHER: COPPER ALLOY (UNS C28000), PER QQ-B-613 ASTM B 36/B 36M.
SCREW: CLASS 302 CONDITION B (UNS S30200) OR CLASS 304 CONDITION A (UNS S30400)PER AMS-QQ-S-763
FLAT WASHER: 302 (UNS S30200) PER MHL-S-5059 AMS5516,AMS5903,AMS5904,AMS5905OR AMS5906,304(UNS S30400) PER AMS5513,AMS5910,AMS5911,AMS5912 OR AMS5913OR 384 (UNS S38400) PER ASTM A 493.
FINISH:
CODE:
CARBON STEELCADMIUM PLATING PER AMS-QQ-P-416,TYPE I,CLASS 2BRASSTIN PLATE PER AMS2408 OR AMS2409.CRESPASSIVATE PER AMS2700,METHOD 1CLASS 4.
LENGTH CODES ARE IN INCREMENTS OF .0625 OF AN INCH.NO LETTER BETWEEN BASIC NUMBER AND FIRST DASH NUMBER FOR CARBON STEEL SCREW.FLAT WASHERAND STEEL LOCKWASHER.CADMIUM PLATED ASSEMELY.ADD “B BETWEEN BASIC NUMBER AND FIRST DASH NUMBER FOR BRASS SCREW, FLAT WASHER.AND BRONZE LOCKWASHER.TIN PLATED ASSEMBLY.ADD “C” BETWEEN BASIC NUMBER AND FIRST DASH NUMBER FOR CRES SCREW AND WASHERS
EXAMPLE OF PART NUMBER:
NAS1301-6-5- CARBON STEEL，.1380-32 THREAD，5/16 LONG,CADMIUM PLATEDNAS1301B8-6BRASS，1640-32 THREAD，3/8 LONGTIN PLATED.lNAS1301C6-5= CRES，1380-32 THREAD，5/16 LONGPASSIVATED
NOTES:
(1) THIS HARDWARE IS DESIGNED FOR USE WITH AN ELECTRICAL TERMINAL OF .032 INCH MINUMUMTHICKNESS
(2) WASHERS SHALL BE HELD ON SCREWS BY THE SCREW THREADS AND MUST ALLOW FREE ROTATION OFTHE SCREW WHEN TIGHTENING.
(3) ASSEMBLY SHALL BE FREE OF ALL LOOSE OR HANGING BURRS OR SLIVERS WHICH MIGHT BECOMEDISLODGED UNDER USAGE
(4) DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED
(5) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
(6) UNLESS OTHERWISE SPECIFIED. PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THAPPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED
(7) REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID
(8) DIMENSIONING AND TOLERENCING PER ANSI Y14.5M-1982
/9/ RADIUS SHALL NOT EXCEED 3/4 OF THE PITCH PER FF-S-92.

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