Part No.	1 Male NPTF					2 Male NPTF		N Length		N1 Length		Y Flats		Operating Pressure
5500-02-02-4 5500-04-02-4	1/8 - 27 1/4 - 18					1/8 - 27 1/8 - 27		0.78 1.09		0.78 0.90		7/16 9/16		6,000 6,000
5500-04-04-4 5500-06-04-4	1/4 - 18 3/8 - 18					1/4 - 18 1/4 - 18		1.09 1.22		1.09 1.22		9/16 3/4		6,000 6,000
5500-06-06-4 5500-08-04-4	3/8 - 18 1/2 - 14					3/8 - 18 1/4 - 18		1.22 1.50		1.22 1.30		3/4 7/8		6,000 6,000
5500-08-06-4 5500-08-08-4	1/2 - 14 1/2 - 14					3/8 - 18 1/2 - 14		1.47 1.47		1.28 1.47		7/8 7/8		6,000 6,000
5500-12-08-4 5500-12-12-4	3/4 - 14 3/4 - 14					1/2 - 14 3/4 - 14		1.59 1.59		1.47 1.59		1 1/16 1 1/16		4,000 4,000
5500-16-12-4 5500-16-16-4	1 - 11 1/2 1 - 11 1/2					3/4 - 14 1 - 11 1/2		1.97 1.97		1.78 1.97		1 5/16 1 5/16		3,000 3,000
5500-20-20-4 5500-24-24-4	1 1/4 - 11 1/2 1 1/2 - 11 1/2					1 1/4 - 11 1/2 1 1/2 - 11 1/2		2.22 2.67		2.22 2.67		1 5/8 1 7/8		2,500 2,500
5500-32-32-4	2 - 11 1/2					2 - 11 1/2		3.00		3.00		2 1/2		1,800