Pneumatic And Hydraulic Equipment Page 1358

Thread Identification The NPTF male and female connection have tapered threads. The seal takes place by deformation of threads. The JIC 37 male and female connection both have straight threads and 37 seats. The seal is made on the 37 flare seat. The threads retain the connection. The JIC 37 flare male mates only with a JIC 37 female. NPTF Thread Male Thread Female Size O.D. (in.) Thread I.D. (in.) 1/8 - 27 13/32 11/32 1/4 - 18 9/16 15/32 3/8 - 18 11/16 19/32 1/2 - 14 27/32 23/32 3/4 - 14 1 1/16 15/16 1 - 11 1/2 1 5/16 1 3/16 1 1/4 - 11 1/2 1 11/16 1 17/32 1 1/2 - 11 1/2 1 29/32 1 3/4 2 - 11 1/2 2 3/8 2 1/4 Nominal Thread Male Thread Female Thread Size Size (in.) O.D. (in.) I.D. (in.) 1/8 5/16 - 24 5/16 9/32 3/16 3/8 - 24 3/8 11/32 1/4 7/16 - 20 7/16 13/32 5/16 1/2 - 20 1/2 7/16 3/8 9/16 - 18 9/16 1/2 1/2 3/4 - 16 3/4 11/16 5/8 7/8 - 14 7/8 13/16 3/4 1 1/16 - 12 1 1/16 31/32 7/8 1 3/16 - 12 1 3/16 1 7/64 1 1 5/16 - 12 1 5/16 1 1/4 1 1/4 1 5/8 - 12 1 5/8 1 17/32 1 1/2 1 7/8 - 12 1 7/8 1 13/16 2 2 1/2 - 12 2 1/2 2 7/16 NPTF Pipe Thread JIC 37 Flare-Twin SAE J514 Nominal Thread Male Thread Female Thread Size Size (in.) O.D. (in.) I.D. (in.) 1/8 5/16 - 24 5/16 9/32 3/16 3/8 - 24 3/8 11/32 1/4 7/16 - 20 7/16 13/32 5/16 1/2 - 20 1/2 7/16 3/8 9/16 - 18 9/16 1/2 1/2 3/4 - 16 3/4 11/16 5/8 7/8 - 14 7/8 13/16 3/4 1 1/16 - 12 1 1/16 31/32 7/8 1 3/16 - 12 1 3/16 1 7/64 1 1 5/16 - 12 1 5/16 1 1/4 1 1/4 1 5/8 - 12 1 5/8 1 17/32 1 1/2 1 7/8 - 12 1 7/8 1 13/16 2 2 1/2 - 12 2 1/2 2 7/16 SAE Straight Thread O-Ring SAE J514 The male straight thread connector has straight threads and an O-ring. The female port has straight threads and a chamfer to accept the O-ring. The seal is made by compressing the O-ring into the chamfer on the female port. The threads retain the connection. NPTF Male NPTF Female Male Female Male Female Nominal Thread Male Thread Female Thread Size Size (in.) O.D. (in.) I.D. (in.) 1/8 5/16 - 24 5/16 9/32 3/16 3/8 - 24 3/8 11/32 1/4 7/16 - 20 7/16 13/32 5/16 1/2 - 20 1/2 7/16 3/8 9/16 - 18 9/16 1/2 1/2 3/4 - 16 3/4 11/16 5/8 7/8 - 14 7/8 13/16 3/4 1 1/16 - 12 1 1/16 31/32 7/8 1 3/16 - 12 1 3/16 1 7/64 1 1 5/16 - 12 1 5/16 1 1/4 1 1/4 1 5/8 - 12 1 5/8 1 17/32 1 1/2 1 7/8 - 12 1 7/8 1 13/16 2 2 1/2 - 12 2 1/2 2 7/16 Ermeto Flareless Tube Fittings SAE J514 The male Ermeto connection has straight threads and a 24 seat. The female Ermeto connection incorporates a bite-type sleeve used in con- junction with a tube and female nut. When the female nut is tightened the seal is made between the sleeve and the 24 seat. A seal is also made between the sleeve and the tubing. The threads retain the connection. Female Male (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com JHF Catalog [ Volume 7 ] 1358 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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