Buying Guide
NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227
TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455
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Consult price sheet for Made to Order items and
for minimum order quantities.
CAPS
617
Tube Cap C – Wrot
APPROX. DIM. N
NOM. SIZE NET WT./LBS. INCHES
1/8 0.00
1
/32
1/4 0.01
1
/16
3/8 0.01
3
/32
1/2 0.02
1
/8
5/8 0.03
1
/8
3/4 0.05
3
/16
1 0.07
5
/32
1 1/4 0.10
3
/32
1 1/2 0.16
1
/8
2 0.27
5
/32
2 1/2 0.47
7
/32
3 0.78
7
/32
4 1.66
1
/4
717
Tube Cap C – Cast
APPROX. DIM. N
NOM. SIZE NET WT./LBS. INCHES
5 5.48
7
/16
6 9.07
17
/32
717-D
Drain Cap – Cast
APPROX. DIM. A
NOM. SIZE NET WT./LBS. INCHES
1/2 0.06
21
/32
COUPLINGS
600
Reducing Coupling C x C – Wrot
APPROX. DIM. A
NOM. SIZE NET WT./LBS. INCHES
1/8 x 3/16 O.D. 0.00
5
/32
5/16 O.D. x 1/8 0.01
1
/4
1/4 x 5/16 O.D. 0.01
3
/16
1/4 x 1/8 0.01
3
/16
3/8 x 1/4 0.02
3
/16
3/8 x 5/16 O.D. 0.01
1
/4
3/8 x 1/8 0.01
1
/4
1/2 x 1/8 0.03
11
/32
1/2 x 1/4 0.02
1
/4
1/2 x 3/8 0.02
3
/16
5/8 x 1/4 0.03
13
/32
5/8 x 3/8 0.04
11
/32
5/8 x 1/2 0.05
3
/16
3/4 x 1/4 0.05
11
/32
3/4 x 3/8 0.06
3
/8
3/4 x 1/2 0.06
7
/16
3/4 x 5/8 0.07
3
/16
1 x 3/8 0.10
13
/32
1 x 1/2 0.10
11
/32
1 x 5/8 0.10
3
/8
1 x 3/4 0.11
11
/32
1 1/4 x 1/2 0.14
7
/16
1 1/4 x 5/8 0.18
19
/32
1 1/4 x 3/4 0.18
17
/32
1 1/4 x 1 0.16
5
/16
1 1/2 x 1/2 0.19
1
/2
1 1/2 x 3/4 0.20
3
/8
1 1/2 x 1 0.22
9
/16
1 1/2 x 1 1/4 0.23
5
/16
2 x 1/2 0.38
23
/32
2 x 3/4 0.36
17
/32
2 x 1 0.37
7
/16
2 x 1 1/4 0.37
11
/16
2 x 1 1/2 0.41
9
/16
2 1/2 x 1 0.58
29
/32
2 1/2 x 1 1/4 0.57
13
/16
2 1/2 x 1 1/2 0.56
11
/16
2 1/2 x 2 0.59
1
/2
Continues…
APPROX. DIM. A
NOM. SIZE NET WT./LBS. INCHES
3 x 1 1/2 0.92 1
1
/32
3 x 2 1.06
15
/16
3 x 2 1/2 0.98
1
/2
3 1/2 x 3 1.52
17
/32
4 x 2 1.89 1
1
/4
4 x 2 1/2 1.78 1
4 x 3 1.93
27
/32
4 x 3 1/2 2.12
19
/32
5 x 2 2.94 2
1
/32
5 x 2 1/2 3.00 1
15
/16
5 x 3 3.01 1
11
/16
5 x 4 3.30 1
1
/4
6 x 2 4.41 2
9
/16
6 x 2 1/2 4.48 2
7
/16
6 x 3 4.54 2
1
/4
6 x 4 4.94 1
3
/4
6 x 5 5.40 1
3
/8
8 x 2 1/2 12.67 3
3
/8
8 x 3 11.80 3
3
/32
8 x 4 12.22 2
19
/32
8 x 6 13.07 1
19
/32
600-RS
Coupling with Rolled Tube Stop
C x C – Wrot
APPROX. DIM. A
NOM. SIZE NET WT./LBS. INCHES
3/16 O.D. 0.00
3
/32
1/8 0.01
3
/32
5/16 O.D. 0.01
3
/32
1/4 0.01
3
/32
3/8 0.01
3
/32
1/2 0.03
3
/32
5/8 0.04
3
/32
3/4 0.06
3
/32
7/8 0.09
3
/32
1 0.11
3
/32
1 1/4 0.15
1
/8
1 1/2 0.22
1
/8
2 0.40
1
/8
2 1/2 0.66
1
/8
3 1.00
1
/8
3 1/2 1.45
5
/32
4 1.93
7
/32
Revision 2/28/2020
WARNING: This product can expose you
to chemicals including lead, which is known
to the State of California to cause cancer and
birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov.