1.Straight Part No
2.Elbow Part No
Add Sufix "4" for "45 degree elbow and suffix "9" for 90 degree eblow to the straight part number,eg,1BF9-04OG and 1JN4-04
3.Tee Part No
4.Material
When the material is Carbon Steel,will not mark the material code
If the material is Stainless Steel,wil add SS
5.Size Code Table

BSP Thread	G 1/8"-28	G1/4"-19		G3/8"-19	G1/2"-14	G5/8"-14	G3/4"-14	G1"-11	G1 1/4"-11	G1 1/2"-11	G2"-11
BSPT Thread	R 1/8"-28	R1/4"-19		R3/8"-19	R1/2"-14		R3/4"-14	R1"-11	R1 1/4"-11	R1 1/2"-11	R2"-11
NPT Thread	Z 1/8"-27	Z1/4"-18		Z3/8"-18	Z1/2"-14		Z3/4"-14	Z1"-11.5	Z1 1/4"-11.5	Z1 1/2"-11.5	Z2"-11.5
JIC Thread		7/16"-20	1/2"-20	9/16"-18	3/4"-16	7/8"-14	1 1/16"-12	1 5/16"-12	1 5/8"-12	1 7/8"-12	2 1/2"-12
ORFS Thread		9/16"-18		1 1/16"-16	13/16"-16	1"-14	1 3/116"-12	1 7/16"-12	1 11/16"-12	2"-12
SAE Thread				5/8"-18			1 1/16"-14

Example Of Order:
If 1BG' left and thread is G1/2"-14 and right end thread is G3/4"-14,the fittings number is 1BG-08-02,If made od Stainless Steel,the fitting number is 1BG-08-12SS
If AJJM' left end thread is 9/16"-18,mid end thread is 9/16"-18 and right end thread is Z1/2"-14,the fitting number is AJJN-06-06-08