Table of Contents

Alternate Flange Facings Dimensions

Nominal Size (in.)	RF, LJ, Large Male and Large Tongue	Small Male (3)	Small Tongue	ID of Large and Small Tongue	Large Female and Large Groove	Small Female (3)	Small Groove	ID of Large and Small Groove	Raised Face 150 and 300 Pound Standards (2)	RF, Large and Small Male and Tongue 400, 600, 900, 1500, & 2500 lb. Standards (2)	Depth of Groove or Female
	R	S	T	U	W	X	Y	Z
1/2	1.38	0.72	1.38	1	1.44	0.78	1.44	0.94	0.06	0.25	0.19
3/4	1.69	0.94	1.69	1.31	1.75	1	1.75	1.25	0.06	0.25	0.19
1	2	1.19	1.88	1.5	2.06	1.25	1.94	1.44	0.06	0.25	0.19
1 1/4	2.5	1.5	2.25	1.88	2.56	1.56	2.31	1.81	0.06	0.25	0.19
1 1/2	2.88	1.75	2.5	2.12	2.94	1.81	2.56	2.06	0.06	0.25	0.19
2	3.62	2.25	3.25	2.88	3.69	2.31	3.31	2.81	0.06	0.25	0.19
2 1/2	4.12	2.69	3.75	3.38	4.19	2.75	3.81	3.31	0.06	0.25	0.19
3	5	3.31	4.62	4.25	5.06	3.38	4.69	4.19	0.06	0.25	0.19
3 1/2	5.5	3.81	5.12	4.75	5.56	3.88	5.19	4.69	0.06	0.25	0.19
4	6.19	4.31	5.69	5.19	6.25	4.38	5.75	5.12	0.06	0.25	0.19
5	7.31	5.38	6.81	6.31	7.38	5.44	6.88	6.25	0.06	0.25	0.19
6	8.5	6.38	8	7.5	8.56	6.44	8.06	7.44	0.06	0.25	0.19
8	10.62	8.38	10	9.38	10.69	8.44	10.06	9.31	0.06	0.25	0.19
10	12.75	10.5	12	11.25	12.81	10.56	12.06	11.19	0.06	0.25	0.19
12	15	12.5	14.25	13.5	15.06	12.56	14.31	13.44	0.06	0.25	0.19
14	16.25	13.75	15.5	14.75	16.31	13.81	15.56	14.69	0.06	0.25	0.19
16	18.5	15.75	17.62	16.75	18.56	15.81	17.69	16.69	0.06	0.25	0.19
18	21	17.75	20.12	19.25	21.06	17.81	20.19	19.19	0.06	0.25	0.19
20	23	19.75	22	21	23.06	19.81	22.06	20.94	0.06	0.25	0.19
24	27.25	23.75	26.25	25.25	27.31	23.81	26.31	25.19	0.06	0.25	0.19

Lap Joint