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#:
MS27595-006

0.125 x 0.235 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.125 OD-0.235 HT-0.05
SPEC SHEET

Available:
240.00
Your Price:
1.12
Each
Item#:
MS27595-007

0.156 x 0.266 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.156 OD-0.266 HT-0.05
SPEC SHEET

Available:
94.00
Your Price:
1.12
Each
Item#:
MS27595-008

0.187 x 0.297 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.187 OD-0.297 HT-0.05
SPEC SHEET

Available:
156.00
Your Price:
1.12
Each
Item#:
MS27595-009

0.219 x 0.329 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.219 OD-0.329 HT-0.05
SPEC SHEET

Available:
165.00
Your Price:
0.38
Each
Item#:
MS27595-010

0.25 x 0.36 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.25 OD-0.36 HT-0.05
SPEC SHEET

Available:
155.00
Your Price:
1.08
Each
Item#:
MS27595-011

0.312 x 0.422 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.312 OD-0.422 HT-0.05
SPEC SHEET

Available:
156.00
Your Price:
1.21
Each
Item#:
MS27595-012

0.375 x 0.485 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.375 OD-0.485 HT-0.05
SPEC SHEET

Available:
507.00
Your Price:
1.20
Each
Item#:
MS27595-013

0.437 x 0.547 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.437 OD-0.547 HT-0.05
SPEC SHEET

Available:
37.00
Your Price:
1.25
Each
Item#:
MS27595-014

0.5 x 0.61 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.5 OD-0.61 HT-0.05
SPEC SHEET

Available:
620.00
Your Price:
1.31
Each
Item#:
MS27595-015

0.562 x 0.672 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.562 OD-0.672 HT-0.05
SPEC SHEET

Available:
201.00
Your Price:
1.39
Each
Item#:
MS27595-016

0.625 x 0.735 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.625 OD-0.735 HT-0.05
SPEC SHEET

Available:
57.00
Your Price:
1.47
Each
Item#:
MS27595-017

0.687 x 0.797 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.687 OD-0.797 HT-0.05
SPEC SHEET

Available:
82.00
Your Price:
1.50
Each
Item#:
MS27595-018

0.75 x 0.86 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.75 OD-0.86 HT-0.05
SPEC SHEET

Available:
18.00
Your Price:
0.61
Each
Item#:
MS27595-019

0.812 x 0.922 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.812 OD-0.922 HT-0.05
SPEC SHEET

Available:
82.00
Your Price:
1.58
Each
Item#:
MS27595-020

0.875 x 0.985 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.875 OD-0.985 HT-0.05
SPEC SHEET

Available:
168.00
Your Price:
1.67
Each
Item#:
MS27595-021

0.937 x 1.047 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.937 OD-1.047 HT-0.05
SPEC SHEET

Available:
65.00
Your Price:
1.98
Each
Item#:
MS27595-022

1 x 1.11 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1 OD-1.11 HT-0.05
SPEC SHEET

Available:
89.00
Your Price:
2.11
Each
Item#:
MS27595-023

1.062 x 1.172 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.062 OD-1.172 HT-0.05
SPEC SHEET

Available:
99.00
Your Price:
2.17
Each
Item#:
MS27595-024

1.125 x 1.235 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.125 OD-1.235 HT-0.05
SPEC SHEET

Available:
45.00
Your Price:
2.33
Each
Item#:
MS27595-025

1.187 x 1.297 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.187 OD-1.297 HT-0.05
SPEC SHEET

Available:
129.00
Your Price:
2.35
Each
Item#:
MS27595-026

1.25 x 1.36 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.25 OD-1.36 HT-0.05
SPEC SHEET

Available:
242.00
Your Price:
2.62
Each
Item#:
MS27595-027

1.312 x 1.422 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.312 OD-1.422 HT-0.05
SPEC SHEET

Available:
11.00
Your Price:
2.75
Each
Item#:
MS27595-028

1.375 x 1.485 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.375 OD-1.485 HT-0.05
SPEC SHEET

Available:
63.00
Your Price:
2.83
Each
Item#:
MS27595-029

1.5 x 1.61 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.5 OD-1.61 HT-0.05
SPEC SHEET

Available:
25.00
Your Price:
2.93
Each
Item#:
MS27595-032

1.875 x 1.985 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.875 OD-1.985 HT-0.05
SPEC SHEET

Available:
8.00
Your Price:
2.97
Each
Item#:
MS27595-035

2.25 x 2.36 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.25 OD-2.36 HT-0.05
SPEC SHEET

Available:
88.00
Your Price:
6.84
Each
Item#:
MS27595-036

2.375 x 2.485 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.375 OD-2.485 HT-0.05
SPEC SHEET

Available:
6.00
Your Price:
9.43
Each
Item#:
MS27595-038

2.625 x 2.735 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.625 OD-2.735 HT-0.05
SPEC SHEET

Available:
55.00
Your Price:
9.43
Each
Item#:
MS27595-040

2.875 x 2.985 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.875 OD-2.985 HT-0.05
SPEC SHEET

Available:
49.00
Your Price:
11.75
Each
Item#:
MS27595-041

3 x 3.11 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-3 OD-3.11 HT-0.05
SPEC SHEET

Available:
21.00
Your Price:
11.75
Each
Item#:
MS27595-044

3.75 x 3.86 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-3.75 OD-3.86 HT-0.05
SPEC SHEET

Available:
15.00
Your Price:
12.97
Each
Item#:
MS27595-049

5 x 5.11 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-5 OD-5.11 HT-0.05
SPEC SHEET

Available:
6.00
Your Price:
12.97
Each
Item#:
MS27595-106

0.187 x 0.198 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.187 OD-0.198 HT-0.05
SPEC SHEET

Available:
87.00
Your Price:
1.25
Each
Item#:
MS27595-108

0.25 x 0.36 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.25 OD-0.36 HT-0.05
SPEC SHEET

Available:
68.00
Your Price:
1.26
Each
Item#:
MS27595-109

0.312 x 0.422 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.312 OD-0.422 HT-0.05
SPEC SHEET

Available:
16.00
Your Price:
1.35
Each
Item#:
MS27595-110

0.375 x 0.551 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.375 OD-0.551 HT-0.05
SPEC SHEET

Available:
187.00
Your Price:
1.38
Each
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