| Specifications |
 |
| Body Material |
316 Stainless Steel
Nut (NTC) is Silver Plated
Back Ferrule (BFC) is surface hardened |
| Operating Temperature |
-425°F to 600°F (-253°C to 315°C) |
| Compatibility |
Swagelok®, Parker A-Lok, Let-Lock, Yor-Lock |
| Service |
Steam, Air, Water
Oil, Gasoline, Natural Gas
Most solvents and acids that are compatible with 316SS |
| Pressure |
| Tube (OD) |
Maximum Pressure (PSI at 72°F) |
| 1/16″ |
|
10,000 |
| 1/8″ |
2mm |
8,800 |
| 3/16″ |
4mm |
5,500 |
| 1/4″ |
6mm |
4,200 |
| 5/16″ |
8mm |
3,300 |
| 3/8″ |
10mm |
2,800 |
| 1/2″ |
12mm |
2,500 |
| 5/8″ |
16mm |
2,300 |
| 3/4″ |
18mm |
2,100 |
| 1″ |
20mm |
1,900 |
| Strength Testing |
In the strength test, STC Fittings out performed Tubes, where Tubes failed before STC Fittings when pressures were raised beyond the recommended Maximum Pressure.
 |
|
| Dimensions |
| Tube Size (OD) |
Thread Size |
Part No. |
A |
B |
C |
D |
E |
F |
G |
H |
| 1/8″ |
N1/8 |
FCC 1/8 N1/8 |
28.7 |
22.1 |
12.7 |
12 |
14 |
2 |
3.18 |
10 |
| 1/8″ |
N1/4 |
FCC 1/8 N1/4 |
33.5 |
27.0 |
12.7 |
15 |
17 |
2 |
3.18 |
10 |
| 1/4″ |
N1/8 |
FCC 1/4 N1/8 |
31.2 |
24.0 |
15.3 |
15 |
14 |
5 |
6.35 |
14 |
| 1/4″ |
N1/4 |
FCC 1/4 N1/4 |
35.8 |
28.4 |
15.3 |
15 |
17 |
5 |
6.35 |
14 |
| 1/4″ |
N3/8 |
FCC 1/4 N3/8 |
37.6 |
30.2 |
15.3 |
15 |
22 |
5 |
6.35 |
14 |
| 1/4″ |
N1/2 |
FCC 1/4 N1/2 |
42.4 |
35.1 |
15.3 |
15 |
27 |
5 |
9.53 |
14 |
| 3/8″ |
N1/8 |
FCC 3/8 N1/8 |
32.8 |
25.4 |
16.8 |
12 |
17 |
5 |
9.53 |
19 |
| 3/8″ |
N1/4 |
FCC 3/8 N1/4 |
37.6 |
30.2 |
16.8 |
15 |
17 |
6 |
9.53 |
19 |
| 3/8″ |
N3/8 |
FCC 3/8 N3/8 |
39.1 |
31.8 |
16.8 |
15 |
22 |
8 |
9.53 |
19 |
| 3/8″ |
N1/2 |
FCC 3/8 N1/2 |
43.9 |
36.6 |
16.8 |
20 |
27 |
8 |
9.53 |
19 |
| 3/8″ |
N3/4 |
FCC 3/8 N3/4 |
47.8 |
40.4 |
16.8 |
21 |
32 |
8 |
9.53 |
19 |
| 1/2″ |
N1/8 |
FCC 1/2 N1/8 |
37.3 |
27.2 |
22.8 |
12 |
22 |
5 |
12.7 |
22 |
| 1/2″ |
N1/4 |
FCC 1/2 N1/4 |
40.4 |
30.2 |
22.8 |
15 |
22 |
6 |
12.7 |
22 |
| 1/2″ |
N3/8 |
FCC 1/2 N3/8 |
42.0 |
31.8 |
22.8 |
15 |
22 |
8 |
12.7 |
22 |
| 1/2″ |
N1/2 |
FCC 1/2 N1/2 |
46.7 |
36.6 |
22.8 |
20 |
27 |
10 |
12.7 |
22 |
| 1/2″ |
N1/4 |
FCC 1/2 N3/4 |
48.3 |
38.2 |
22.8 |
21 |
32 |
10 |
12.7 |
22 |
| 1/2″ |
N1 |
FCC 1/2 N1 |
51.3 |
41.2 |
22.8 |
24 |
40 |
10 |
12.7 |
22 |
| 5/8″ |
N3/8 |
FCC 5/8 N3/8 |
42.1 |
32.0 |
24.4 |
15 |
27 |
9 |
15.9 |
27 |
| 5/8″ |
N1/2 |
FCC 5/8 N1/2 |
46.9 |
36.8 |
24.4 |
20 |
27 |
11 |
15.9 |
27 |
| 5/8″ |
N3/4 |
FCC 5/8 N3/4 |
48.5 |
38.4 |
24.4 |
21 |
32 |
12 |
15.9 |
27 |
| 3/4″ |
N1/2 |
FCC 3/4 N1/2 |
46.7 |
36.6 |
24.4 |
20 |
27 |
15 |
19.1 |
30 |
| 3/4″ |
N3/4 |
FCC 3/4 N3/4 |
48.3 |
38.1 |
24.4 |
21 |
32 |
15 |
19.1 |
30 |
| 1″ |
N3/4 |
FCC 1 N3/4 |
53.3 |
41.0 |
31.3 |
21 |
35 |
21 |
25.4 |
38 |
| 1″ |
N1 |
FCC 1 N1 |
62.2 |
50.0 |
31.3 |
24 |
40 |
21 |
25.4 |
38 |
| Tube Size (OD) |
Thread Size |
Part No. |
A |
B |
C |
D |
E |
F |
G |
H |
| 4mm |
R1/8 |
FCC 4 R1/8 |
29.7 |
23.1 |
13.7 |
12 |
14 |
3 |
4 |
12 |
| 6mm |
R1/8 |
FCC 6 R1/8 |
31.3 |
23.9 |
15.3 |
12 |
14 |
5 |
6 |
14 |
| 6mm |
R1/4 |
FCC 6 R1/4 |
35.8 |
28.4 |
15.3 |
15 |
17 |
5 |
6 |
14 |
| 6mm |
R3/8 |
FCC 6 R3/8 |
37.6 |
30.2 |
15.3 |
15 |
22 |
5 |
6 |
14 |
| 6mm |
R1/2 |
FCC 6 R1/2 |
42.5 |
35.1 |
15.3 |
20 |
27 |
5 |
6 |
14 |
| 8mm |
R1/8 |
FCC 8 R1/8 |
32.1 |
24.6 |
16.2 |
12 |
14 |
5 |
8 |
17 |
| 8mm |
R1/4 |
FCC 8 R1/4 |
37.0 |
29.5 |
16.2 |
15 |
17 |
6 |
8 |
17 |
| 8mm |
R3/8 |
FCC 8 R3/8 |
38.5 |
31.0 |
16.2 |
15 |
22 |
6 |
8 |
17 |
| 8mm |
R1/2 |
FCC 8 R1/2 |
43.3 |
35.8 |
16.2 |
20 |
27 |
6 |
8 |
17 |
| 10mm |
R1/8 |
FCC 10 R1/8 |
34.8 |
27.2 |
17.2 |
12 |
19 |
5 |
10 |
19 |
| 10mm |
R1/4 |
FCC 10 R1/4 |
37.8 |
30.2 |
17.2 |
15 |
19 |
6 |
10 |
19 |
| 10mm |
R3/8 |
FCC 10 R3/8 |
39.4 |
31.8 |
17.2 |
15 |
22 |
8 |
10 |
19 |
| 10mm |
R1/2 |
FCC 10 R1/2 |
44.2 |
36.8 |
17.2 |
20 |
27 |
8 |
10 |
19 |
| 12mm |
R1/8 |
FCC 12 R1/8 |
37.3 |
27.2 |
22.8 |
12 |
22 |
5 |
12 |
22 |
| 12mm |
R1/4 |
FCC 12 R1/4 |
40.3 |
30.2 |
22.8 |
15 |
22 |
6 |
12 |
22 |
| 12mm |
R3/8 |
FCC 12 R3/8 |
41.9 |
31.2 |
22.8 |
15 |
22 |
8 |
12 |
22 |
| 12mm |
R1/2 |
FCC 12 R1/2 |
46.7 |
36.6 |
22.8 |
20 |
27 |
10 |
12 |
22 |
| 12mm |
R3/4 |
FCC 12 R3/4 |
48.3 |
38.2 |
22.8 |
21 |
32 |
10 |
12 |
22 |
| 12mm |
R1 |
FCC 12 R1 |
51.3 |
41.2 |
22.8 |
24 |
40 |
10 |
12 |
22 |
| Dimensions for Reference Use Only: Imperial fittings in mm, Metric fittings in mm, U.S.O. |
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