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#:
MS28782-38

2.75 x 3.125 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-2.75 OD-3.125 HT-0.031
SPEC SHEET

Available:
19.00
Your Price:
13.03
Each
Item#:
MS28782-39

2.875 x 3.25 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-2.875 OD-3.25 HT-0.031
SPEC SHEET

Available:
13.00
Your Price:
13.36
Each
Item#:
MS28782-4

0.218 x 0.343 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-0.218 OD-0.343 HT-0.025
SPEC SHEET

Available:
50.00
Your Price:
6.28
Each
Item#:
MS28782-40

3 x 3.375 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-3 OD-3.375 HT-0.031
SPEC SHEET

Available:
167.00
Your Price:
13.57
Each
Item#:
MS28782-41

3.125 x 3.5 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-3.125 OD-3.5 HT-0.031
SPEC SHEET

Available:
27.00
Your Price:
13.87
Each
Item#:
MS28782-42

3.25 x 3.625 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-3.25 OD-3.625 HT-0.031
SPEC SHEET

Available:
22.00
Your Price:
15.21
Each
Item#:
MS28782-43

3.375 x 3.75 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-3.375 OD-3.75 HT-0.031
SPEC SHEET

Available:
2.00
Your Price:
15.34
Each
Item#:
MS28782-44

3.5 x 3.875 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-3.5 OD-3.875 HT-0.031
SPEC SHEET

Available:
22.00
Your Price:
17.90
Each
Item#:
MS28782-45

3.625 x 4 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-3.625 OD-4 HT-0.031
SPEC SHEET

Available:
1145.00
Your Price:
18.38
Each
Item#:
MS28782-46

3.75 x 4.125 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-3.75 OD-4.125 HT-0.031
SPEC SHEET

Available:
14.00
Your Price:
18.88
Each
Item#:
MS28782-47

3.875 x 4.25 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-3.875 OD-4.25 HT-0.031
SPEC SHEET

Available:
3.00
Your Price:
18.92
Each
Item#:
MS28782-48

4 x 4.375 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4 OD-4.375 HT-0.031
SPEC SHEET

Available:
15.00
Your Price:
20.10
Each
Item#:
MS28782-49

4.125 x 4.5 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.125 OD-4.5 HT-0.031
SPEC SHEET

Available:
5.00
Your Price:
21.25
Each
Item#:
MS28782-5

0.25 x 0.375 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-0.25 OD-0.375 HT-0.025
SPEC SHEET

Available:
68.00
Your Price:
6.94
Each
Item#:
MS28782-50

4.25 x 4.625 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.25 OD-4.625 HT-0.031
SPEC SHEET

Available:
41.00
Your Price:
21.20
Each
Item#:
MS28782-51

4.375 x 4.75 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.375 OD-4.75 HT-0.031
SPEC SHEET

Available:
35.00
Your Price:
22.68
Each
Item#:
MS28782-52

4.5 x 4.875 x 0.031 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.5 OD-4.875 HT-0.031
SPEC SHEET

Available:
16.00
Your Price:
23.55
Each
Item#:
MS28782-53

4.625 x 5.125 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.625 OD-5.125 HT-0.046
SPEC SHEET

Available:
31.00
Your Price:
54.18
Each
Item#:
MS28782-54

4.75 x 5.25 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.75 OD-5.25 HT-0.046
SPEC SHEET

Available:
3.00
Your Price:
57.39
Each
Item#:
MS28782-55

4.875 x 5.375 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.875 OD-5.375 HT-0.046
SPEC SHEET

Available:
14.00
Your Price:
57.47
Each
Item#:
MS28782-56

5 x 5.5 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5 OD-5.5 HT-0.046
SPEC SHEET

Available:
2.00
Your Price:
59.04
Each
Item#:
MS28782-57

5.125 x 5.625 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5.125 OD-5.625 HT-0.046
SPEC SHEET

Available:
30.00
Your Price:
60.14
Each
Item#:
MS28782-58

5.25 x 5.75 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5.25 OD-5.75 HT-0.046
SPEC SHEET

Available:
25.00
Your Price:
61.25
Each
Item#:
MS28782-59

5.375 x 5.875 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5.375 OD-5.875 HT-0.046
SPEC SHEET

Available:
11.00
Your Price:
65.45
Each
Item#:
MS28782-6

0.312 x 0.437 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-0.312 OD-0.437 HT-0.025
SPEC SHEET

Available:
264.00
Your Price:
7.09
Each
Item#:
MS28782-60

5.5 x 6 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5.5 OD-6 HT-0.046
SPEC SHEET

Available:
5.00
Your Price:
65.93
Each
Item#:
MS28782-61

5.625 x 6.125 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5.625 OD-6.125 HT-0.046
SPEC SHEET

Available:
6.00
Your Price:
66.83
Each
Item#:
MS28782-62

5.75 x 6.25 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5.75 OD-6.25 HT-0.046
SPEC SHEET

Available:
36.00
Your Price:
69.19
Each
Item#:
MS28782-63

5.875 x 6.375 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5.875 OD-6.375 HT-0.046
SPEC SHEET

Available:
5.00
Your Price:
72.49
Each
Item#:
MS28782-64

6 x 6.5 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-6 OD-6.5 HT-0.046
SPEC SHEET

Available:
45.00
Your Price:
75.40
Each
Item#:
MS28782-65

6.25 x 6.75 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-6.25 OD-6.75 HT-0.046
SPEC SHEET

Available:
3.00
Your Price:
78.62
Each
Item#:
MS28782-66

6.5 x 7 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-6.5 OD-7 HT-0.046
SPEC SHEET

Available:
10.00
Your Price:
81.92
Each
Item#:
MS28782-67

6.75 x 7.25 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-6.75 OD-7.25 HT-0.046
SPEC SHEET

Available:
2.00
Your Price:
84.83
Each
Item#:
MS28782-68

7 x 7.5 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-7 OD-7.5 HT-0.046
SPEC SHEET

Available:
6.00
Your Price:
88.05
Each
Item#:
MS28782-69

7.25 x 7.75 x 0.046 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-7.25 OD-7.75 HT-0.046
SPEC SHEET

Available:
5.00
Your Price:
90.88
Each
Item#:
MS28782-7

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

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

ID-0.375 OD-0.5 HT-0.025
SPEC SHEET

Available:
22.00
Your Price:
7.14
Each
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