MIL-DTL-52618/4E
TABLE I. Size code number for reducing tees - Continued.
Size code
Nominal pipe size
number
(inch) x (inch) x (branch inch)
Port
Port
Port
1
2
3
562
4
x
3-1/2
x
2-1/2
563
4
x
3-1/2
x
2
564
4
x
3-1/2
x
1-1/2
565
4
x
3-1/2
x
1-1/4
566
4
x
3
x
4
568
4
x
3
x
2-1/2
569
4
x
3
x
2
570
4
x
2-1/2
x
4
571
4
x
2-1/2
x
3
572
4
x
2-1/2
x
2-1/2
573
4
x
2
x
4
574
4
x
2
x
3
575
4
x
2
x
2
576
4
x
1-1/2
x
4
577
4
x
1-1/4
x
4
578
4
x
1
x
4
579
3-1/2
x
3-1/2
x
4
580
3
x
3
x
4
581
2-1/2
x
2-1/2
x
4
582
2
x
2
x
4
583
5
x
5
x
4
584
5
x
5
x
3-1/2
585
5
x
5
x
3
586
5
x
5
x
2-1/2
587
5
x
5
x
2
588
5
x
5
x
1-1/2
589
5
x
5
x
1-1/4
590
5
x
5
x
1
591
5
x
4
x
5
592
5
x
1
x
4
593
5
x
4
x
3-1/2
594
5
x
4
x
3
595
5
x
4
x
2-1/2
596
5
x
4
x
2
597
5
x
4
x
1-1/2
598
5
x
3
x
5
599
5
x
3
x
4
600
5
x
3
x
3
601
5
x
2-1/2
x
5
602
5
x
2
x
5
603
4
x
4
x
5
604
6
x
6
x
5
605
6
x
6
x
4
606
6
x
6
x
3
607
6
x
6
x
2-1/2
6