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plugs & bushings
sOCkeT Weld reduCer inserTs (Mss sp-79)
Class 3000
C
lass 6000
C
J
E
E
C
D
E
Flush Bushing Hex Bushing Hex Plug Round Plug Square Plug
SPECIFICATIONS:
CLASS DIMENSIONS
a 1 3/8 1 5/8 1 5/8 1 3/4 1 3/4 2 2 2 2 1/2 2 3/4 2 3/4 3
B 13/32 9/16 11/16 13/16 1 1/16 1 5/16 1 11/16 1 29/32 2 3/8 2 7/8 3 1/2 4 1/2
C 7/16 5/8 11/16 7/8 1 1/16 1 3/8 1 3/4 2 2 1/2 3 3 3/4 4 7/8
3000/6000
ROUND PLUG
HEXAGON PLUG
SQUARE PLUG
HEX BUSHING
FLUSH BUSHING
Note: 1. All Dimensions are in inches
2. Weights based on carbon steel (A105)
D Min. 1/4 1/4 5/16 5/16 3/8 3/8 9/16 5/8 11/16 3/4 13/16 1
e 7/16 1/2 9/16 11/16 3/4 27/32 7/8 15/16 1 1 1/4 1 11/16 1 25/32
F 9/32 3/8 7/16 9/16 5/8 13/16 15/16 1 1/8 1 5/16 1 1/2 1 11/16 2 1/2
g 1/4 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 1 1/4
h 3/8 7/16 1/2 9/16 5/8 3/4 13/16 13/16 7/8 1 1/16 1 1/8 1 1/4
J Min. 3/16 3/16 3/16 1/4 1/4 3/8 3/8 3/8 1/2 7/16 1
Weight 0.05 0.11 0.18 0.25 0.41 0.73 1.20 1.57 3.10 5.01 7.40 13.25
Weight 0.03 0.06 0.09 0.16 0.27 0.48 0.93 1.35 2.26 3.84 7.08 12.07
Weight 0.02 0.04 0.06 0.12 0.19 0.35 0.61 0.83 1.41 2.33 3.57 6.28
Weight 0.03 0.04 0.06 0.12 0.21 0.38 0.37 0.77 1.31 3.78 7.31
Weight 0.05 0.07 0.03 0.06 0.09 0.17 0.19 0.39 0.62 1.00 1.88
1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4
SIZES (INCHES)
B F
A
ASME B16.11
ASME B1.20.1 - (NPT)
Class 3000
Class 6000
lass 9000
C
SPECIFICATIONS:
MSS SP-79
ASME B16.11 - (SOCKET DIMENSIONS ONLY)
G
H
C
B B
A A
Type 1 Type 2
SIZE C D
3/8 x 1/4 0.685 0.555 1 3/8 3/4 15/16 1 3/8 27/32 1 0.12 0.20
1/2 x 3/8 0.850 0.690 1 3/8 13/16 1 1/16 1 3/8 29/32 1 3/16 0.16 0.19
1/2 x 1/4 0.850 0.555 1 3/8 13/16 15/16 1 3/8 13/16 1 0.17 0.19
3/4 x 1/2 1.060 0.855 1 3/8 7/8 1 5/16 1 3/8 1 1 3/8 1 3/8 1 3/16 1 3/4 0.26 0.36 0.62
3/4 x 3/8 1.060 0.690 2 3/8 5/8 1 3/8 7/8 1 3/16 0.19 0.25
3/4 x 1/4 1.060 0.555 2 3/8 11/16 2 3/8 7/8 0.23 0.27
1 x 3/4 1.325 1.065 1 1/2 15/16 1 17/32 1 1/2 1 1/8 1 11/16 1 1/2 1 1/4 2 0.38 0.60 1.10
1 x 1/2 1.325 0.855 2 3/8 5/8 1 3/8 1 1/8 1 3/8 1 3/8 1 1/8 1 3/4 0.32 0.49 0.74
1 x 3/8 1.325 0.690 2 3/8 11/16 2 3/8 7/8 0.37 0.41
1 x 1/4 1.325 0.555 2 3/8 3/4 2 3/8 15/16 0.41 0.50
1 1/4 x 1 1.670 1.330 1 1/2 1 1 7/8 1 1/2 1 3/16 2 1 1/2 1 3/8 2 3/8 0.62 0.89 1.44
1 1/4 x 3/4 1.670 1.065 2 1/2 11/16 2 1/2 13/16 1 1/2 1 3/16 2 0.54 1.04 1.81
1 1/4 x 1/2 1.670 0.855 2 3/8 3/4 2 3/8 7/8 2 3/8 7/8 0.65 0.95 1.14
1 1/4 x 3/8 1.670 0.690 2 3/8 13/16 2 3/8 15/16 0.70 1.04
1 1/4 x 1/4 1.670 0.555 2 3/8 7/8 2 3/8 1 0.75 1.14
1 1/2 x 1 1/4 1.910 1.675 1 1/2 1 1/8 2 1/4 1 1/2 1 3/8 2 3/8 1 1/2 1 5/8 2 3/4 0.80 1.23 1.90
1 1/2 x 1 1.910 1.330 2 1/2 11/16 1 1/2 1 5/32 2 1/16 1 1/2 1 3/8 2 3/8 0.68 1.13 1.13
1 1/2 x 3/4 1.910 1.065 2 1/2 3/4 2 1/2 1 2 1/2 1 0.84 1.04 1.23
1 1/2 x 1/2 1.910 0.855 2 3/8 13/16 2 3/8 1 1/16 2 3/8 1 0.97 1.15 1.33
1 1/2 x 3/8 1.910 0.690 2 3/8 7/8 2 3/8 1 1/8 1.00 1.25
2 x 1 1/2 2.385 1.915 1 1/2 1 1/4 2 1/2 1 1/2 1 17/32 2 11/16 1 1/2 2 1/16 3 1.24 1.93 2.43
2 x 1 1/4 2.385 1.675 2 1/2 13/16 2 1/2 15/16 1 1/2 2 2 3/4 1.16 1.36 1.96
2 x 1 2.385 1.330 2 1/2 7/8 2 1/2 1 2 1/2 1 1.50 1.86 1.54
2 x 3/4 2.385 1.065 2 1/2 15/16 2 1/2 1 1/16 2 1/2 1 1/16 1.69 1.82 1.82
2 x 1/2 2.385 0.855 2 3/8 1 2 3/8 1 1/8 2 3/8 1 1/8 1.81 1.92 1.92
Note: 1. All dimensions are in inches.
2. Weights based on carbon steel (A105)
3. Larger sizes are available upon request, and are supplied in accordance to MSS SP-79.
Fig.
Type
E CD D
3000 6000 9000 WEIGHT
A (Min.) B E
Fig.
A (Min.) B E
Type
Fig.
A (Min.) B E 3000 6000 9000
Type
16
17
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