AIA/NAS 1753-2010 pdf download FASTENER, BLIND, INTERNALLY THREADED, EXTERNAL SLEEVE, HIGH TEMPERATURE, PROTRUDING HEAD, SELF-LOCKING, 1 /64” OVERSIZE
MATERIAL:
FINISH:
LUBRICANT:
NUT,SCREW & SLEEVE -A-286 HEAT RESISTANT STEELSEE PROCUREMENT SPECIFICATION(CLASS 2)
DRIVE NUT – MILD STEEL
DRIVE NUT – COLOR CODED BLACK.
NUTSCREW & SLEEVE – PASSIVATED, SEE PROCUREMENT SPECIFICATION.
SEE PROCUREMENT SPECIFICATION. GRAPHITE FREE DRY FILM PER MIL-PRF-81329 OR DRY FILM TOCHEMICAL REQUIREMENTS OF AS5272 WITH A TOTAL WEIGHT LOSS (TWL) LESS THAT 1% AND LESSTHAN .1% VOLATILE CONDENSABLE MATERIALS (VCM) WHEN TESTED IN ACCORDANCE WITH NASASPECIFICATION SP-R-0022 OR ASTM E 595./11/ /12/ /13/
CODE:
FIRST DASH NUMBER DESIGNATES FASTENER DIAMETER AS SHOWN IN TABLE SECOND DASH NUMBER DESIGNATES FASTENER GRIP AS SHOWN IN TABLE IILETTER “L” BETWEEN FIRST AND SECOND DASH NUMBERS DESIGNATES FASTENER WITH SELF-LOCKINGPROVISIONS.ADD DL” BETWEEN FIRST AND SECOND DASH NUMBER TO DESIGNATE FASTENER WITH SELF-LOCKINGPROVISIONS AND DRIVE NUT FEATURE.ADD “B AFTER SECOND DASH NUMBER TO DESIGNATE GRAPHITE FREE DRY FILM LUBRICANT PERMIL-PRF-81329/11//13/ADD “U” AFTER SECOND DASH NUMBER TO DESIGNATE DRY FILM LUBRICANT TO THE CHEMICALREQUIREMENTS OF AS5272./12/ /13 CODE AFTER THE SECOND DASH NUMBER DESIGNATES LUBRICANTS (PARAFFIN WAX, CETYL ALCOHOLETC.) AS REQUIRED TO MEET PERFORMANCE REQUIREMENTS.
INTERCHANGEABILITY:
THE DL” CODE FASTENERS (DRIVE NUT) AND “L” CODE FASTENERS (NO DRIVE NUT) AREFUNCTIONALLY INTERCHANGEABLE.THERE IS NO DIFFERENCE IN INSTALLED CONDITION.DL” PARTS USE EXISTING INSTALLATION TOOLING EXCEPT A NEW HEX NOSE ADAPTOR ISREOUIRED FOR THE -5DL SIZE THE NOSE ADAPTOR CURRENTLY USED TO INSTALL NAS1669-4AND NAS1671-4L HEX HEAD PARTS IS USED TO INSTALL -08DL, -3DL AND -4DL SIZES. THE -6DLSIZE IS INSTALLED WITH THE SAME NOSE ADAPTOR CURRENTLY USED TO INSTALL NAS1669-6LAND NAS1671-6L HEX HEAD FASTEERS THE WRENCH ADAPTORS WHICH ENGAGE AND ROTATETHE SCREW DRIVING FLATS DURING INSTALLATION ARE THE SAME FOR “L” AND DL” CODEFASTENERS THE DL” CONFIGURATION IS CONSIDERED THE PREFERRED FASTENER SYSTEM.
EXAMPLE:
HIGH TEMPERATURE BLIND FASTENERPROTRUDING HEAD WITH A SHANK DIAMETER
NAS1753-3L5 =OF .2140 AND GRIP OF .282 – .344 AND SELF-LOCKING FEATURE,1/64 OVERSIZE.
NAS1753-4DL6 = HIGH TEMPERATURE BLIND FASTENER,PROTRUDING HEAD WITH A SHANK DIAMETEROF .2750 AND GRIP OF .345 – .406,SELF-LOCKING FEATURE AND DRIVE NUT FEATURE1/64 OVERSIZE
NAS1753-4DL6B = HIGH TEMPERATURE BLIND FASTENER，PROTRUDING HEAD WITH A SHANK DIAMETEROF .2750 AND A GRIP OF .345 – .406,SELF-LOCKING AND DRIVE NUT FEATURE ANDGRAPHITE FREE DRY FILM LUBE PER MIL-PRF-81329，1/64 OVERSIZE
NOTES:
“G” IS THE MEAN DIMENSION TO THE NUT NOSE ANGLE INTERSECTION.THIS INTERSECTIONLOCATION MAY VARY AROUND THE PERIPHERY DUE TO ECCENTRICITY.
PARTS SHALL BE FREE OF ALL LOOSE OR HANGING BURRS.
OUTSIDE DIAMETER OF HEAD OF SCREW AND OUTSIDE DIAMETER OF SLEEVE SHALL NOT BEGREATER THAN MAXIMUM “OD”
BEARING SURFACE OF HEAD SHALL BE AT RIGHT ANGLE TO THE SHANK WITHIN 1/2 DEGREETEMPERATURE LIMITATION:1200F MAXREWTSIO

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