A back-up ring is a rigid ring that holds an elastomeric seal or plastic (such as Polyethylene) connection to its designed shape and in its correct place. Back up rings are commonly used with O-rings, lip seals, and as reciprocating shaft seals

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Item#:
MS28774-450

10.5 x 11 x 0.105 Single Turn Scarf Cut PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS27595, MS28782/83

ID-10.5 OD-11 HT-0.105
SPEC SHEET

Available:
5.00
Your Price:
142.95
Each
Item#:
MS28774-451

11 x 11.5 x 0.105 Single Turn Scarf Cut PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS27595, MS28782/83

ID-11 OD-11.5 HT-0.105
SPEC SHEET

Available:
4.00
Your Price:
145.23
Each
Item#:
MS28774-452

11.5 x 12 x 0.105 Single Turn Scarf Cut PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS27595, MS28782/83

ID-11.5 OD-12 HT-0.105
SPEC SHEET

Available:
2.00
Your Price:
148.92
Each
Item#:
MS28774-454

12.5 x 13 x 0.105 Single Turn Scarf Cut PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS27595, MS28782/83

ID-12.5 OD-13 HT-0.105
SPEC SHEET

Available:
6.00
Your Price:
152.96
Each
Item#:
MS28774-455

13 x 13.5 x 0.105 Single Turn Scarf Cut PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS27595, MS28782/83

ID-13 OD-13.5 HT-0.105
SPEC SHEET

Available:
11.00
Your Price:
168.45
Each
Item#:
MS28782-1

0.125 x 0.25 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.125 OD-0.25 HT-0.025
SPEC SHEET

Available:
110.00
Your Price:
4.05
Each
Item#:
MS28782-10

0.5 x 0.687 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.5 OD-0.687 HT-0.025
SPEC SHEET

Available:
95.00
Your Price:
6.30
Each
Item#:
MS28782-11

0.562 x 0.75 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.562 OD-0.75 HT-0.025
SPEC SHEET

Available:
21.00
Your Price:
7.38
Each
Item#:
MS28782-12

0.625 x 0.812 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.625 OD-0.812 HT-0.025
SPEC SHEET

Available:
216.00
Your Price:
6.22
Each
Item#:
MS28782-13

0.687 x 0.875 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.687 OD-0.875 HT-0.025
SPEC SHEET

Available:
563.00
Your Price:
6.36
Each
Item#:
MS28782-14

0.75 x 0.937 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.75 OD-0.937 HT-0.025
SPEC SHEET

Available:
66.00
Your Price:
6.42
Each
Item#:
MS28782-15

0.75 x 1 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.75 OD-1 HT-0.025
SPEC SHEET

Available:
31.00
Your Price:
6.57
Each
Item#:
MS28782-16

0.812 x 1.062 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.812 OD-1.062 HT-0.025
SPEC SHEET

Available:
23.00
Your Price:
7.20
Each
Item#:
MS28782-17

0.875 x 1.125 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.875 OD-1.125 HT-0.025
SPEC SHEET

Available:
20.00
Your Price:
7.36
Each
Item#:
MS28782-18

0.937 x 1.187 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.937 OD-1.187 HT-0.025
SPEC SHEET

Available:
22.00
Your Price:
7.43
Each
Item#:
MS28782-19

1 x 1.25 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1 OD-1.25 HT-0.025
SPEC SHEET

Available:
16.00
Your Price:
7.54
Each
Item#:
MS28782-2

0.156 x 0.281 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.156 OD-0.281 HT-0.025
SPEC SHEET

Available:
24.00
Your Price:
4.15
Each
Item#:
MS28782-20

1.062 x 1.312 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.062 OD-1.312 HT-0.025
SPEC SHEET

Available:
101.00
Your Price:
7.57
Each
Item#:
MS28782-21

1.125 x 1.375 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.125 OD-1.375 HT-0.025
SPEC SHEET

Available:
27.00
Your Price:
8.98
Each
Item#:
MS28782-22

1.187 x 1.437 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.187 OD-1.437 HT-0.025
SPEC SHEET

Available:
4.00
Your Price:
7.71
Each
Item#:
MS28782-23

1.25 x 1.5 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.25 OD-1.5 HT-0.025
SPEC SHEET

Available:
59.00
Your Price:
6.75
Each
Item#:
MS28782-24

1.312 x 1.562 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.312 OD-1.562 HT-0.025
SPEC SHEET

Available:
99.00
Your Price:
7.97
Each
Item#:
MS28782-25

1.375 x 1.625 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.375 OD-1.625 HT-0.025
SPEC SHEET

Available:
9.00
Your Price:
7.89
Each
Item#:
MS28782-26

1.437 x 1.687 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.437 OD-1.687 HT-0.025
SPEC SHEET

Available:
45.00
Your Price:
9.92
Each
Item#:
MS28782-27

1.5 x 1.75 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.5 OD-1.75 HT-0.025
SPEC SHEET

Available:
31.00
Your Price:
6.67
Each
Item#:
MS28782-28

1.5 x 1.875 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.5 OD-1.875 HT-0.031
SPEC SHEET

Available:
26.00
Your Price:
10.18
Each
Item#:
MS28782-29

1.625 x 2 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.625 OD-2 HT-0.031
SPEC SHEET

Available:
39.00
Your Price:
7.02
Each
Item#:
MS28782-3

0.187 x 0.312 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-0.187 OD-0.312 HT-0.025
SPEC SHEET

Available:
73.00
Your Price:
6.66
Each
Item#:
MS28782-30

1.75 x 2.125 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.75 OD-2.125 HT-0.031
SPEC SHEET

Available:
21.00
Your Price:
11.21
Each
Item#:
MS28782-31

1.875 x 2.25 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-1.875 OD-2.25 HT-0.031
SPEC SHEET

Available:
2.00
Your Price:
10.02
Each
Item#:
MS28782-32

2 x 2.375 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-2 OD-2.375 HT-0.031
SPEC SHEET

Available:
25.00
Your Price:
6.57
Each
Item#:
MS28782-33

2.125 x 2.5 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-2.125 OD-2.5 HT-0.031
SPEC SHEET

Available:
18.00
Your Price:
13.92
Each
Item#:
MS28782-34

2.25 x 2.625 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-2.25 OD-2.625 HT-0.031
SPEC SHEET

Available:
3.00
Your Price:
13.85
Each
Item#:
MS28782-35

2.375 x 2.75 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-2.375 OD-2.75 HT-0.031
SPEC SHEET

Available:
12.00
Your Price:
9.65
Each
Item#:
MS28782-36

2.5 x 2.875 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-2.5 OD-2.875 HT-0.031
SPEC SHEET

Available:
21.00
Your Price:
11.41
Each
Item#:
MS28782-37

2.625 x 3 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28783, MS27595

ID-2.625 OD-3 HT-0.031
SPEC SHEET

Available:
18.00
Your Price:
12.59
Each
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