AIA/NAS 1761-2012 pdf download ELBOW, REDUCER, 45°, FLARELESS TUBE TO SWIVEL
CODE: WHEN DETERMINING DIMENSIONS, THE LARGEST PORT, REGARDLESS OF LOCATION, ESTABLISHES THE FORGING SIZE. THE PORT SIZES ARE IDENTIFIED BY THE DASH NUMBER IN THE SEQUENCE INDICATED ON THE PART NUMBER EXAMPLE AS SHOWN; THE SWIVEL NUT (PORT #1 ) FIRST AND THE AS4375 (PORT #2) SECOND. THE FIRST TWO DIGITS OF THE DASH NUMBER INDICATES NO. 1 PORT SIZE AND THE SECOND TWO DIGITS INDICATES NO. 2 PORT SIZE. PORT SIZES ARE IN SIXTEENTHS OF AN INCH INCREMENTS, i.e., 04 = 1 /4 INCH PORT, 1 0 = 5/8 INCH PORT. FITTINGS WITH BOTH PORTS OF THE SAME SIZE MAY BE OBTAINED TO THIS STANDARD.
MATERIAL CODES:
USE DASH IN LIEU OF CODE LETTER TO INDICATE CARBON STEEL.
LETTER “D” INDICATES ALUMINUM ALLOY (201 4 BODY AND 2024 NUT).
LETTER “J” INDICATES CRES CLASS 304.
LETTER “K” INDICATES CRES CLASS 31 6.
LETTER “S” INDICATES CRES CLASS 347.
LETTER “T” INDICATES 6AL-4V TITANIUM ALLOY.
LETTER “W” INDICATES ALUMINUM ALLOY (7075 BODY AND NUT).
EXAMPLE OF PART NUMBER:
NAS1 761 J 08 1 2
AS4375 PORT #2, LEG LENGTH, 1 .1 48 INCHES, TUBE SIZE 3/4 INCH
SWIVEL NUT PORT #1 , LEG LENGTH, .934 INCH, TUBE SIZE 1 /2 INCH
MATERIAL CODE (CRES CLASS 304)
DOCUMENT NUMBER
NOTES:
(1 ) REMOVE ALL BURRS AND SHARP EDGES.
(2) DIMENSIONS IN INCHES.
(3) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
(4) WRENCH PAD AREA MAY EXTEND TO MACHINED OR THREADED END OF PART. WHEN MACHINED FROM BAR MATERIAL, WRENCH PADS AND STOCK SHAPES SHALL CONFORM TO AS1 376.
/5/ SWIVEL NUTS SHALL BE IN ACCORDANCE WITH MS27073 AS4370 OR EQUIVALENT AND SHALL BE PERMANENTLY ATTACHED TO THE ASSEMBLY.
/6/ PORT PER AS4375, STYLE “G” WHEN PORT SIZE EQUALS FORGING SIZE, STYLE “E” WHEN PORT SIZE IS SMALLER THAN FORGING SIZE, EXCEPT HEX DIMENSIONS “E” AND “ØZ” DO NOT APPLY.
(7) TOLERANCES UNLESS OTHERWISE SPECIFIED: ±.01 6.
(8) DIMENSIONING AND TOLERANCING PER ANSI Y1 4.5M-1 982.

Share on Facebook

Post on X

Follow us

Save