AIA/NAS 1783-2012 pdf download NUT ASSEMBLY, SELF-LOCKING, GANG CHANNEL, LOW HEIGHT, COUNTERBORED, 1 60 KSI, 250 ˚F, 450 ˚F, 800 ˚F
AL ALLOYCRES NUTCRES CHANNEL
CARBON OR ALLOY HEAT TREATED 1030 (UNS G10300) OR BETTER: NEITHERTHE SULFUR NOR PHOSPHORUS CONTENT SHALL EXCEED .050 % BY WEIGHT2024-T4 ALCLAD(UNS A82024) PER AMS-QQ-A-250/5.A286(UNS S66286) PER AMS5525，AMS5732,OR AMS5737./7/321(UNS S32100) PER AMS5510./7/
STEELCADMIUM PLATE PER AMS-QQ-P-416,TYPEIICLASS 2AL ALLOY CHANNELANODIZE PER MIL-A-8625.CRES NUTSILVER PLATE FOR 800 “F USE PER AMS2410 TO A .0002 MINIMUM THICKNESSON SURFACES WHICH CAN BE TOUCHED BY A O7500 (3/4 INCH) BALL.THREADS SHALL SHOW COMPLETE COVERAGE,BUT THICKNESS REQUIREMENTON THREADS IS WAIVED.PASSIVATE PER AMS2700,METHOD 1CLASS 4 ALLCRES PARTS BEFORE THE APPLICATION OF DRY FILM LUBRICANT.-PASSIVATE PER AMS2700,METHOD 1，CLASS 4.
CRES CHANNEL
LUBRICATION:MOLYDISULFIDE(MoS2) DRY FILM LUBRICANT PER NAS3356.
CODE:BASIC PART NUMBER – NAS1783.1ST DASH NUMBER – THREAD SIZE (SEE TABLE I,SHEET 1)2ND DASH NUMBER PREFIXED BY:
P – STEEL NUT CADMIUM PLATED,WITH DRY FILM LUBRICANT.
AL ALLOY CHANNELMAX TEMPERATURE 250 “F.K – CRES NUT,WITH DRY FILM LUBRICANT，AL ALLOY CHANNELMAX TEMPERATURE 250“F.X STEEL NUT CADMIUM PLATED，WITHOUT DRY FILM LUBRICANT.AL ALLOY CHANNEL，MAX TEMPERATURE 250“F.STEEL NUT CADMIUM PLATED，WITH DRY FILM LUBRICANT.A=CRES CHANNEL，MAX TEMPERATURE 450“F.M= CRES NUT，WITH DRY FILM LUBRICANT,CRES CHANNEL.MAX TEMPERATURE 450“F.CRES NUT，WITH SILVER PLATE，CRES CHANNEL,C=MAX TEMPERATURE 800“F.2ND DASH NUMBERNUT SPACING (SEE TABLE III,SHEET 1).3RD DASH NUMBERNUMBER OF NUTS IN STRIP (NOT TO EXCEED MAX SHOWN IN TABLE III-SHEET 1).OMISSION OF 3RD DASH NUMBER INDICATES STOCK LENGTHSTRIP，APPROXIMATELY 72 INCHES LONG.
EXAMPLE OF PART NUMBER:
NAS1783-3P6-10-.1900-32 GANG CHANNEL，STEEL NUT CADMIUM PLATED
WITH DRY FILM LUBRICANT,AL ALLOY CHANNEL，.750 NUT SPACING,10 NUTSNAS1783-4K7-12.2500-28 GANG CHANNEL，CRES NUT,WITH DRY FILM LUBRICANT.AL ALLOY CHANNEL，.875 NUT SPACING，12 NUTS.NAS1783-3X6-10.1900-32 GANG CHANNEL，STEEL NUT CADMIUM PLATEDWITHOUT DRY FILM LUBRICANT,AL ALLOY CHANNEL..750 NUT SPACING10 NUTSNAS1783-4A7-12-.2500-28 GANG CHANNEL.STEEL NUT CADMIUM PLATED，WITH DRY FILM LUBRICANT,CRES CHANNEL，.875 UT SPACING12 NUTSNAS1783-5M8-21=.3125-24 GANG CHANNEL，CRES NUTS.WITH DRY FILM LUBRICANTCRES CHANNEL，1.00 NUT SPACING21 NUTS.
NOTES: /1 / “E” MAX APPLIES TO CHANNEL ASSEMBLY. MIN “E” NOT SPECIFIED, LIMITED ONLY BY STRENGTH REQUIREMENTS OF SPECIFICATION.
/2/ FLOAT OF NUT PORTION OF ASSEMBLY SHALL NOT BE LESS THAN .030 NOR MORE THAN .040 LONGITUDINALLY AND NOT LESS THAN .01 0 NOR MORE THAN .030 LATERALLY FROM CENTERED POSITION. NUT BODY SHALL BE CAPABLE OF ENGAGEMENT WITH A BOLT IN THE MAXIMUM MISALIGNMENT POSITION. MAXIMUM AXIAL FLOAT .020 INCH FOR .1 900 SIZE AND SMALLER; .030 FOR LARGER SIZES.
3/ THE ASSEMBLY SHALL PROVIDE A BEARING SURFACE FOR THE NUT WITHIN THE HOUSING.
/4/ THREADS IN ACCORDANCE WITH AS8879 BEFORE LUBRICATION.
/5/ THE CENTERLINE OF THE CHANNEL SHALL NOT DEVIATE FROM A STRAIGHT LINE BY MORE THAN .01 5 IN ANY 1 2 INCHES.
/6/ IDENTIFICATION AND MARKING ON EACH NUT.
AIA/NAS 1783-2012 pdf download
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