AIA/NAS 521-2007 pdf download COUPLING, FLEXIBLE, LOW PRESSURE, 250 DEG F, AIR LINE
MATERIAL: SEE PROCUREMENT SPECIFICATION
CODE: LENGTH CODED AS SECOND DASH NUMBER IN .250 INCH INCREMENTS.
EXAMPLE OF PART NUMBER:
NAS521 -1 8-22 = COUPLING, 2.250 ID, 5.500 LONG
NOTES:
(1 ) DIMENSIONS IN INCHES.
(2) TEMPERATURE RANGE: -65 DEG F TO +250 DEG F.
(3) MAXIMUM OPERATING PRESSURE: 20 PSIG.
(4) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN .
(5) REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID.
(6) DIMENSIONING AND TOLERANCING PER ASME Y1 4.5M-1 994.
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