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 and lip seals.

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Item#:
MS28783-22

4.25 x 4.5 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.25 OD-4.5 HT-0.025
SPEC SHEET

Available:
8.00
Your Price:
20.89
Each
Item#:
MS28783-23

4.375 x 4.625 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.375 OD-4.625 HT-0.025
SPEC SHEET

Available:
13.00
Your Price:
23.00
Each
Item#:
MS28783-24

4.5 x 4.75 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.5 OD-4.75 HT-0.025
SPEC SHEET

Available:
33.00
Your Price:
23.85
Each
Item#:
MS28783-25

4.625 x 4.875 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.625 OD-4.875 HT-0.025
SPEC SHEET

Available:
2.00
Your Price:
26.05
Each
Item#:
MS28783-26

4.75 x 5 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-4.75 OD-5 HT-0.025
SPEC SHEET

Available:
270.00
Your Price:
27.86
Each
Item#:
MS28783-3

1.875 x 2.125 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-1.875 OD-2.125 HT-0.025
SPEC SHEET

Available:
63.00
Your Price:
9.92
Each
Item#:
MS28783-30

5.25 x 5.5 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-5.25 OD-5.5 HT-0.025
SPEC SHEET

Available:
99.00
Your Price:
42.27
Each
Item#:
MS28783-36

6 x 5.75 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-6 OD-5.75 HT-0.025
SPEC SHEET

Available:
7.00
Your Price:
60.39
Each
Item#:
MS28783-4

2 x 2.25 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-2 OD-2.25 HT-0.025
SPEC SHEET

Available:
16.00
Your Price:
6.34
Each
Item#:
MS28783-5

2.125 x 2.375 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-2.125 OD-2.375 HT-0.025
SPEC SHEET

Available:
25.00
Your Price:
10.31
Each
Item#:
MS28783-6

2.25 x 2.5 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-2.25 OD-2.5 HT-0.025
SPEC SHEET

Available:
90.00
Your Price:
10.60
Each
Item#:
MS28783-7

2.375 x 2.625 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-2.375 OD-2.625 HT-0.025
SPEC SHEET

Available:
50.00
Your Price:
10.88
Each
Item#:
MS28783-8

2.5 x 2.75 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-2.5 OD-2.75 HT-0.025
SPEC SHEET

Available:
14.00
Your Price:
10.98
Each
Item#:
MS28783-9

2.625 x 2.875 x 0.025 Spiral Scarf Cut PTFE Back Up Ring- Inch

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

ID-2.625 OD-2.875 HT-0.025
SPEC SHEET

Available:
52.00
Your Price:
11.16
Each
Item#:
TF171-016

0.625 x 0.75 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
10.00
Your Price:
7.03
Each
Item#:
TF171-022

1 x 1.125 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
52.00
Your Price:
7.34
Each
Item#:
TF171-023

1.062 x 1.187 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
404.00
Your Price:
7.41
Each
Item#:
TF171-025

1.187 x 1.312 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
69.00
Your Price:
7.57
Each
Item#:
TF171-117

0.812 x 0.9995 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
83.00
Your Price:
7.85
Each
Item#:
TF171-118

0.875 x 1.0625 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
83.00
Your Price:
6.54
Each
Item#:
TF171-125

1.312 x 1.4995 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
6.00
Your Price:
6.71
Each
Item#:
TF171-130

1.625 x 1.8125 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
39.00
Your Price:
7.23
Each
Item#:
TF171-135

1.9375 x 2.125 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
15.00
Your Price:
7.63
Each
Item#:
TF171-136

2 x 2.1875 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
11.00
Your Price:
7.89
Each
Item#:
TF171-163

6 x 6.1875 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
27.00
Your Price:
8.54
Each
Item#:
TF171-256

5.75 x 6 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
10.00
Your Price:
47.95
Each
Item#:
TF171-263

7.25 x 7.5 x .025 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
5.00
Your Price:
61.40
Each
Item#:
TF171-361

6 x 6.5 x .031 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
3.00
Your Price:
52.00
Each
Item#:
TF171-461

16 x 16.5 x .046 Spiral Scarf Cut PTFE Back Up Ring- Inch

Available:
4.00
Your Price:
208.42
Each
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