AIA/NAS 4445-2012 pdf download NUT, CRIMP, FOR CRIMPLOCK FASTENER SYSTEM
CODE:
FIRST DASH NUMBER DESIGNATES THREAD SIZE IN .031 2 INCREMENTS.
ADD “C” AFTER BASIC NUMBER FOR A286 CRES MATERIAL.
ADD “DD” AFTER BASIC NUMBER FOR 2024 ALUMINUM ALLOY MATERIAL.
ADD “S” AFTER BASIC NUMBER FOR 4027, 41 30 OR 8740 ALLOY STEEL, CADMIUM PLATED.
ADD “W” AFTER FIRST DASH NUMBER FOR A286 CRES, CADMIUM PLATED (NUT ONLY).
EXAMPLES OF PART NUMBERS:
NAS4445C06 = A286 CRES, .1 900-32 UNJF-3B THREAD
NAS4445C06W = A286 CRES, .1 900-32 UNJF-3B THREAD, CADMIUM PLATED
NAS4445DD06 = 2024 ALUMINUM, .1 900-32 UNJF-3B THREAD
NAS4445S06 = 4027, 41 30 OR 8740 ALLOY STEEL, .1 900-32 UNJF-3B THREAD, CADMIUM PLATED
NOTES:
(1 ) DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
(2) FOR NUT-PIN SELECTION AND STRENGTH DATA, SEE TABLES III AND IV.
(3) THREADS PER AS8879.
(4) THIS PART INTENDED FOR USE WITH NAS4450, NAS4452, NAS4458 AND NAS4466 PINS.
(5) SURFACE ROUGHNESS: UNLESS OTHERWISE SPECIFIED, 1 25 MICROINCHES RA PER ASME B46.1 .
(6) MANUFACTURER’S IDENTIFICATION, (LOCATION OPTIONAL) RAISED OR DEPRESSED .01 0 MAXIMUM FOR Ø.2500 AND LARGER, OPTIONAL FOR SMALLER SIZES.
(7) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
8) UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED.
(9) UNLESS OTHERWISE SPECIFIED HEREIN, REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON DATE OF MANUFACTURE. HOWEVER, EXISTING MATERIAL INVENTORY CERTIFIED TO A PREVIOUS REVISION OF THE APPLICABLE MATERIAL SPECIFICATION(S) IS ACCEPTABLE FOR USE UNTIL DEPLETION.
(1 0) DIMENSIONING AND TOLERANCING PER ANSI Y1 4.5M-1 982.

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