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#:
MS27595-450

10.5 x 10.972 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-10.5 OD-10.972 HT-0.108
SPEC SHEET

Available:
28.00
Your Price:
80.58
Each
Item#:
MS27595-451

11 x 11.472 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-11 OD-11.472 HT-0.108
SPEC SHEET

Available:
4.00
Your Price:
87.91
Each
Item#:
MS27595-452

11.5 x 11.972 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-11.5 OD-11.972 HT-0.108
SPEC SHEET

Available:
9.00
Your Price:
90.70
Each
Item#:
MS27595-453

12 x 12.472 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-12 OD-12.472 HT-0.108
SPEC SHEET

Available:
6.00
Your Price:
97.84
Each
Item#:
MS27595-454

12.5 x 12.972 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-12.5 OD-12.972 HT-0.108
SPEC SHEET

Available:
5.00
Your Price:
98.49
Each
Item#:
MS27595-455

13 x 13.472 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-13 OD-13.472 HT-0.108
SPEC SHEET

Available:
2.00
Your Price:
115.95
Each
Item#:
MS27595-456

13.5 x 13.972 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-13.5 OD-13.972 HT-0.108
SPEC SHEET

Available:
22.00
Your Price:
126.99
Each
Item#:
MS27595-457

14 x 14.472 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-14 OD-14.472 HT-0.108
SPEC SHEET

Available:
7.00
Your Price:
134.67
Each
Item#:
MS27595-458

14.5 x 14.972 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-14.5 OD-14.972 HT-0.108
SPEC SHEET

Available:
14.00
Your Price:
155.12
Each
Item#:
MS27595-459

15 x 15.472 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-15 OD-15.472 HT-0.108
SPEC SHEET

Available:
12.00
Your Price:
157.18
Each
Item#:
MS27595-460

15.5 x 15.972 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-15.5 OD-15.972 HT-0.108
SPEC SHEET

Available:
4.00
Your Price:
159.25
Each
Item#:
MS27595-462

16.5 x 16.972 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-16.5 OD-16.972 HT-0.108
SPEC SHEET

Available:
5.00
Your Price:
164.19
Each
Item#:
MS27595-465

18 x 18.472 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-18 OD-18.472 HT-0.108
SPEC SHEET

Available:
2.00
Your Price:
168.87
Each
Item#:
MS27595-468

ID-19.5x 19.972 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-19.5 OD-19.972 HT-0.108
SPEC SHEET

Available:
7.00
Your Price:
177.92
Each
Item#:
MS27595-469

20 x 20.472 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-20 OD-20.472 HT-0.108
SPEC SHEET

Available:
17.00
Your Price:
206.14
Each
Item#:
MS27595-472

23 x 23.472 x 0.108 Solid PTFE Back Up Ring Inch

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

ID-23 OD-23.472 HT-0.108
SPEC SHEET

Available:
1.00
Your Price:
211.92
Each
Item#:
MS28774-004

0.078 x 0.203 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.078 OD-0.203 HT-0.05
SPEC SHEET

Available:
489.00
Your Price:
1.48
Each
Item#:
MS28774-005

0.093 x 0.218 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.093 OD-0.218 HT-0.05
SPEC SHEET

Available:
71.00
Your Price:
1.48
Each
Item#:
MS28774-006

0.125 x 0.25 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.125 OD-0.25 HT-0.05
SPEC SHEET

Available:
99.00
Your Price:
1.48
Each
Item#:
MS28774-007

0.156 x 0.281 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.156 OD-0.281 HT-0.05
SPEC SHEET

Available:
767.00
Your Price:
1.53
Each
Item#:
MS28774-008

0.187 x 0.312 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.187 OD-0.312 HT-0.05
SPEC SHEET

Available:
52.00
Your Price:
1.55
Each
Item#:
MS28774-009

0.218 x 0.343 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.218 OD-0.343 HT-0.05
SPEC SHEET

Available:
64.00
Your Price:
1.58
Each
Item#:
MS28774-010

0.25 x 0.375 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.25 OD-0.375 HT-0.05
SPEC SHEET

Available:
253.00
Your Price:
1.19
Each
Item#:
MS28774-011

0.312 x 0.437 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.312 OD-0.437 HT-0.05
SPEC SHEET

Available:
110.00
Your Price:
1.71
Each
Item#:
MS28774-012

0.375 x 0.5 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.375 OD-0.5 HT-0.05
SPEC SHEET

Available:
437.00
Your Price:
1.78
Each
Item#:
MS28774-013

0.437 x 0.562 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.437 OD-0.562 HT-0.05
SPEC SHEET

Available:
1246.00
Your Price:
1.88
Each
Item#:
MS28774-014

0.5 x 0.625 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.5 OD-0.625 HT-0.05
SPEC SHEET

Available:
291.00
Your Price:
2.03
Each
Item#:
MS28774-015

0.562 x 0.687 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.562 OD-0.687 HT-0.05
SPEC SHEET

Available:
80.00
Your Price:
2.16
Each
Item#:
MS28774-016

0.625 x 0.75 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.625 OD-0.75 HT-0.05
SPEC SHEET

Available:
33.00
Your Price:
1.31
Each
Item#:
MS28774-017

0.687 x 0.812 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.687 OD-0.812 HT-0.05
SPEC SHEET

Available:
62.00
Your Price:
2.19
Each
Item#:
MS28774-018

0.75 x 0.875 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.75 OD-0.875 HT-0.05
SPEC SHEET

Available:
174.00
Your Price:
2.24
Each
Item#:
MS28774-019

0.812 x 0.937 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.812 OD-0.937 HT-0.05
SPEC SHEET

Available:
54.00
Your Price:
2.30
Each
Item#:
MS28774-020

0.875 x 1 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.875 OD-1 HT-0.05
SPEC SHEET

Available:
46.00
Your Price:
2.52
Each
Item#:
MS28774-021

0.937 x 1.062 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-0.937 OD-1.062 HT-0.05
SPEC SHEET

Available:
53.00
Your Price:
2.55
Each
Item#:
MS28774-022

1 x 1.125 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-1 OD-1.125 HT-0.05
SPEC SHEET

Available:
27.00
Your Price:
2.59
Each
Item#:
MS28774-023

1.062 x 1.187 x 0.05 Single Turn Scarf Cut PTFE Back Up Ring Inch

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

ID-1.062 OD-1.187 HT-0.05
SPEC SHEET

Available:
56.00
Your Price:
2.72
Each
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