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Connections for General Use and Fluid Power Ports and Stud Ends with ASME B1.1 Threads and O-Ring Sealing Part 1: Threaded Port with O-Ring Seal in Truncated Housing

SAE J 1926-1 - 2016

Display drawing:

Thread Size
d

5/16
-24 UNF-2B

3/8
-24 UNF-2B

7/16
-20 UNF-2B

1/2
-20 UNF-2B

9/16
-18 UNF-2B

3/4
-16 UNF-2B

7/8
-14 UNF-2B

1-1/16
-12 UN-2B

1-3/16
-12 UN-2B

1-5/16
-12 UN-2B

1-5/8
-12 UN-2B

1-7/8
-12 UN-2B

2-1/2
-12 UN-2B

3
-12 UN-2B

d₂	min
d₃	Ref.
d₄	min
d₅	Nominal Size
	max
	min
L₁	nominal size
	max
	min
L₂	min
L₃	max
L₄	min
z	Nominal Size
	max
	min
R	max

17	19	21	23	25	30	34	41	45	49	58	65	88	101
1.6	3.5	4.5	6	7.5	10	12.5	16	18	21	27	33	45	57.7
11	13	15	16	18	22	26	32	35	38	48	54	70	83
9.15	10.75	12.45	14.05	15.7	20.65	24	29.2	32.4	35.55	43.55	49.9	65.75	78.45
9.2	10.8	12.5	14.1	15.75	20.7	24.05	29.25	32.45	35.6	43.6	49.95	65.8	78.5
9.1	10.7	12.4	14	15.65	20.6	23.95	29.15	32.35	35.5	43.5	49.85	65.7	78.4
2.1	2.1	2.6	2.6	2.7	2.7	2.7	3.5	3.5	3.5	3.5	3.5	3.5	3.5
2.3	2.3	2.8	2.8	2.9	2.9	2.9	3.7	3.7	3.7	3.7	3.7	3.7	3.7
1.9	1.9	2.4	2.4	2.5	2.5	2.5	3.3	3.3	3.3	3.3	3.3	3.3	3.3
12	12	14	14	15.5	17.5	20	23	23	23	23	23	23	30.5
1.6	1.6	1.6	1.6	1.6	2.4	2.4	2.4	2.4	3.2	3.2	3.2	3.2	3.2
10	10	11.5	11.5	12.7	14.3	16.7	19	19	19	19	19	19	25.5
12°	12°	12°	12°	12°	15°	15°	15°	15°	15°	15°	15°	15°	15°
13°	13°	13°	13°	13°	16°	16°	16°	16°	16°	16°	16°	16°	16°
11°	11°	11°	11°	11°	14°	14°	14°	14°	14°	14°	14°	14°	14°
0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4

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