AIA/NAS 1410-2011 pdf download NUT, UNIVERSAL PORT FITTING
TEMPERATURE RANGE:
−65 °F TO +325 °F FOR PRESSURES UP TO 3000 PSI, AND
−65 °F TO +350 °F FOR PRESSURES UP TO 500 PSI
FINISH:
ALUMINUM: ANODIZE PER MIL-A-8625, TYPE II, CLASS 1
STEEL: CADMIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 2
CRES: CLEAN AND PASSIVATE PER AMS2700, METHOD 1, CLASS 4
MATERIAL CODES:
DASH AFTER BASIC NUMBER INDICATES STEEL NUT. /9/
ADD “C” IN PLACE OF DASH TO INDICATE CRES NUT. /9/
ADD “J” IN PLACE OF DASH TO INDICATE TYPE 304 CRES NUT. /9/
ADD “K” IN PLACE OF DASH TO INDICATE TYPE 316 CRES NUT. /9/
ADD “DD” IN PLACE OF DASH TO INDICATE ALUMINUM NUT
ADD “E” AFTER DASH NUMBER TO INDICATE LOCKWIRE HOLES
EXAMPLE OF PART NUMBER:
NAS1410 DD 3 E (DRAWING CALLOUT WILL APPEAR AS NAS1410DD3E)
LOCKWIRE HOLES
NOMINAL TUBING OD (.188 DIAMETER)
MATERIAL CODE (ALUMINUM)
DOCUMENT NUMBER
MARKING:
MARKING SHALL BE DONE BY IMPRESSION STAMPING ON THE HEX FACES AND SHALL INCLUDE THE NAS PART NUMBER AND MANUFACTURER’S NAME, CAGE CODE, OR TRADEMARK.
NOTES:
(1) DIMENSIONING AND TOLERANCING PER ANSI Y14.5M-1982.
/2/ THE INSERT SHALL BE RETAINED FIRMLY SO THAT NO VISIBLE GAPS EXIST BETWEEN ITS SURFACES AND ABUTTING NUT SURFACES, AND SO THAT DISPLACEMENT OR ROTATION RELATIVE TO THE NUT IS NOT POSSIBLE. THERE SHALL BE NO VOIDS BETWEEN INSERT AND NUT MATING SURFACES WHICH WILL CAUSE DEFORMATION UNDER PRESSURE AT INSERT FACE.
(3) REMOVE ALL BURRS AND SHARP EDGES.
(4) DIMENSIONS IN INCHES AND APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
(5) SURFACE ROUGHNESS: MACHINED SURFACES 125 MICROINCHES Ra PER ASME B46.1 EXCEPT AS NOTED.
/6/ THREAD IN INSERT SHALL BE UNINTERRUPTED CONTINUATION OF THREAD IN NUT.
(7) THE NUT SHALL WITHSTAND 15 INSTALLATIONS AND REMOVALS WITH AS4396 FITTING END, WITHOUT SEPARATION OR LOOSENING OF THE INSERT WHEN TORQUED TO VALUES SPECIFIED IN MS21344 FOR THE RESPECTIVE SIZES. EACH INSTALLATION SHALL CONSIST OF INCREASING TO AND STABILIZING AT 350 °F, REDUCING TO AND STABILIZING AT −65 °F, AND RETURNING TO ROOM TEMPERATURE.
/8/ SERRATIONS OR METHOD OF RETENTION OF INSERT SHALL BE SPECIFIED BY MANUFACTURER.
/9/ CODE “C” INACTIVE FOR NEW DESIGN. USE CODE “J” OR “K”. FOR DESCRIPTION OF STATUS NOTES,SEE NAS380.
(10) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
(11) 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.
(12) UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED.
PROCUREMENT SPECIFICATION:
AS4841, EXCEPT AS NOTED.

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