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#:
MS27595-219

1.312 x 1.55 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-1.312 OD-1.55 HT-0.05
SPEC SHEET

Available:
220.00
Your Price:
4.14
Each
Item#:
MS27595-220

1.375 x 1.613 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-1.375 OD-1.613 HT-0.05
SPEC SHEET

Available:
169.00
Your Price:
2.97
Each
Item#:
MS27595-221

1.437 x 1.675 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-1.437 OD-1.675 HT-0.05
SPEC SHEET

Available:
43.00
Your Price:
4.47
Each
Item#:
MS27595-222

1.5 x 1.738 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-1.5 OD-1.738 HT-0.05
SPEC SHEET

Available:
305.00
Your Price:
4.62
Each
Item#:
MS27595-223

1.625 x 1.863 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-1.625 OD-1.863 HT-0.05
SPEC SHEET

Available:
45.00
Your Price:
4.89
Each
Item#:
MS27595-224

1.75 x 1.988 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-1.75 OD-1.988 HT-0.05
SPEC SHEET

Available:
104.00
Your Price:
5.05
Each
Item#:
MS27595-225

1.875 x 2.113 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-1.875 OD-2.113 HT-0.05
SPEC SHEET

Available:
56.00
Your Price:
5.23
Each
Item#:
MS27595-226

2 x 2.238 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-2 OD-2.238 HT-0.05
SPEC SHEET

Available:
50.00
Your Price:
5.32
Each
Item#:
MS27595-227

2.125 x 2.363 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-2.125 OD-2.363 HT-0.05
SPEC SHEET

Available:
40.00
Your Price:
5.51
Each
Item#:
MS27595-228

2.25 x 2.488 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-2.25 OD-2.488 HT-0.05
SPEC SHEET

Available:
178.00
Your Price:
5.58
Each
Item#:
MS27595-229

2.375 x 2.613 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-2.375 OD-2.613 HT-0.05
SPEC SHEET

Available:
27.00
Your Price:
6.76
Each
Item#:
MS27595-230

2.5 x 2.738 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-2.5 OD-2.738 HT-0.05
SPEC SHEET

Available:
43.00
Your Price:
7.50
Each
Item#:
MS27595-231

2.625 x 2.863 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-2.625 OD-2.863 HT-0.05
SPEC SHEET

Available:
85.00
Your Price:
7.60
Each
Item#:
MS27595-232

2.75 x 2.988 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-2.75 OD-2.988 HT-0.05
SPEC SHEET

Available:
36.00
Your Price:
7.81
Each
Item#:
MS27595-233

2.88 x 3.118 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-2.88 OD-3.118 HT-0.05
SPEC SHEET

Available:
44.00
Your Price:
7.87
Each
Item#:
MS27595-234

3 x 3.238 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-3 OD-3.238 HT-0.05
SPEC SHEET

Available:
171.00
Your Price:
8.21
Each
Item#:
MS27595-235

3.125 x 3.363 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-3.125 OD-3.363 HT-0.05
SPEC SHEET

Available:
27.00
Your Price:
8.25
Each
Item#:
MS27595-236

3.25 x 3.488 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-3.25 OD-3.488 HT-0.05
SPEC SHEET

Available:
52.00
Your Price:
8.35
Each
Item#:
MS27595-237

3.375 x 3.613 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-3.375 OD-3.613 HT-0.05
SPEC SHEET

Available:
223.00
Your Price:
8.55
Each
Item#:
MS27595-238

3.5 x 3.738 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-3.5 OD-3.738 HT-0.05
SPEC SHEET

Available:
20.00
Your Price:
8.95
Each
Item#:
MS27595-239

3.625 x 3.863 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-3.625 OD-3.863 HT-0.05
SPEC SHEET

Available:
51.00
Your Price:
8.95
Each
Item#:
MS27595-240

3.75 x 3.988 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-3.75 OD-3.988 HT-0.05
SPEC SHEET

Available:
158.00
Your Price:
9.15
Each
Item#:
MS27595-241

3.875 x 4.113 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-3.875 OD-4.113 HT-0.05
SPEC SHEET

Available:
68.00
Your Price:
9.65
Each
Item#:
MS27595-242

4 x 4.238 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-4 OD-4.238 HT-0.05
SPEC SHEET

Available:
202.00
Your Price:
10.38
Each
Item#:
MS27595-243

4.125 x 4.363 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-4.125 OD-4.363 HT-0.05
SPEC SHEET

Available:
50.00
Your Price:
10.89
Each
Item#:
MS27595-244

4.25 x 4.488 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-4.25 OD-4.488 HT-0.05
SPEC SHEET

Available:
4.00
Your Price:
11.33
Each
Item#:
MS27595-245

4.375 x 4.613 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-4.375 OD-4.613 HT-0.05
SPEC SHEET

Available:
6.00
Your Price:
11.39
Each
Item#:
MS27595-246

4.5 x 4.738 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-4.5 OD-4.738 HT-0.05
SPEC SHEET

Available:
23.00
Your Price:
11.54
Each
Item#:
MS27595-247

4.625 x 4.863 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-4.625 OD-4.863 HT-0.05
SPEC SHEET

Available:
41.00
Your Price:
11.84
Each
Item#:
MS27595-248

4.75 x 4.988 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-4.75 OD-4.988 HT-0.05
SPEC SHEET

Available:
88.00
Your Price:
13.87
Each
Item#:
MS27595-249

4.875 x 5.113 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-4.875 OD-5.113 HT-0.05
SPEC SHEET

Available:
22.00
Your Price:
15.25
Each
Item#:
MS27595-250

5 x 5.238 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-5 OD-5.238 HT-0.05
SPEC SHEET

Available:
37.00
Your Price:
16.16
Each
Item#:
MS27595-251

5.125 x 5.363 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-5.125 OD-5.363 HT-0.05
SPEC SHEET

Available:
11.00
Your Price:
17.34
Each
Item#:
MS27595-252

5.25 x 5.488 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-5.25 OD-5.488 HT-0.05
SPEC SHEET

Available:
3.00
Your Price:
17.19
Each
Item#:
MS27595-253

5.375 x 5.613 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-5.375 OD-5.613 HT-0.05
SPEC SHEET

Available:
27.00
Your Price:
17.38
Each
Item#:
MS27595-254

5.5 x 5.738 x 0.05 Solid PTFE Back Up Ring Inch

Hydraulic SealAlternative Seals: 8-, 19-, 51-, MS28774, MS28782, MS28783

ID-5.5 OD-5.738 HT-0.05
SPEC SHEET

Available:
16.00
Your Price:
18.16
Each
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View: