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#:
MS27595-113

0.562 x 0.738 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.562 OD-0.738 HT-0.05
SPEC SHEET

Available:
114.00
Your Price:
1.61
Each
Item#:
MS27595-114

0.625 x 0.801 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.625 OD-0.801 HT-0.05
SPEC SHEET

Available:
297.00
Your Price:
1.70
Each
Item#:
MS27595-115

0.687 x 0.863 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.687 OD-0.863 HT-0.05
SPEC SHEET

Available:
243.00
Your Price:
1.76
Each
Item#:
MS27595-116

0.75 x 0.926 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.75 OD-0.926 HT-0.05
SPEC SHEET

Available:
174.00
Your Price:
1.84
Each
Item#:
MS27595-117

0.812 x 0.988 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.812 OD-0.988 HT-0.05
SPEC SHEET

Available:
145.00
Your Price:
1.91
Each
Item#:
MS27595-118

0.875 x 1.051 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.875 OD-1.051 HT-0.05
SPEC SHEET

Available:
102.00
Your Price:
1.98
Each
Item#:
MS27595-119

0.937 x 1.113 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-0.937 OD-1.113 HT-0.05
SPEC SHEET

Available:
92.00
Your Price:
2.03
Each
Item#:
MS27595-120

1 x 1.176 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1 OD-1.176 HT-0.05
SPEC SHEET

Available:
20.00
Your Price:
2.15
Each
Item#:
MS27595-121

1.062 x 1.238 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.062 OD-1.238 HT-0.05
SPEC SHEET

Available:
25.00
Your Price:
2.27
Each
Item#:
MS27595-122

1.125 x 1.301 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.125 OD-1.301 HT-0.05
SPEC SHEET

Available:
86.00
Your Price:
2.42
Each
Item#:
MS27595-123

1.187 x 1.363 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.187 OD-1.363 HT-0.05
SPEC SHEET

Available:
121.00
Your Price:
2.64
Each
Item#:
MS27595-124

1.25 x 1.426 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.25 OD-1.426 HT-0.05
SPEC SHEET

Available:
18.00
Your Price:
2.68
Each
Item#:
MS27595-125

1.312 x 1.488 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.312 OD-1.488 HT-0.05
SPEC SHEET

Available:
28.00
Your Price:
2.91
Each
Item#:
MS27595-126

1.375 x 1.551 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.375 OD-1.551 HT-0.05
SPEC SHEET

Available:
40.00
Your Price:
3.07
Each
Item#:
MS27595-127

1.437 x 1.613 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.437 OD-1.613 HT-0.05
SPEC SHEET

Available:
24.00
Your Price:
3.11
Each
Item#:
MS27595-128

1.5 x 1.676 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.5 OD-1.676 HT-0.05
SPEC SHEET

Available:
72.00
Your Price:
3.30
Each
Item#:
MS27595-129

1.562 x 1.738 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.562 OD-1.738 HT-0.05
SPEC SHEET

Available:
52.00
Your Price:
3.51
Each
Item#:
MS27595-130

1.625 x 1.801 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.625 OD-1.801 HT-0.05
SPEC SHEET

Available:
47.00
Your Price:
3.70
Each
Item#:
MS27595-131

1.687 x 1.863 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.687 OD-1.863 HT-0.05
SPEC SHEET

Available:
43.00
Your Price:
2.62
Each
Item#:
MS27595-132

1.75 x 1.926 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.75 OD-1.926 HT-0.05
SPEC SHEET

Available:
96.00
Your Price:
3.74
Each
Item#:
MS27595-133

1.812 x 1.988 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.812 OD-1.988 HT-0.05
SPEC SHEET

Available:
23.00
Your Price:
2.01
Each
Item#:
MS27595-134

1.875 x 2.051 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.875 OD-2.051 HT-0.05
SPEC SHEET

Available:
11.00
Your Price:
4.42
Each
Item#:
MS27595-135

1.942 x 2.118 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-1.942 OD-2.118 HT-0.05
SPEC SHEET

Available:
22.00
Your Price:
4.50
Each
Item#:
MS27595-136

2 x 2.176 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2 OD-2.176 HT-0.05
SPEC SHEET

Available:
22.00
Your Price:
4.59
Each
Item#:
MS27595-137

2.062 x 2.238 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.062 OD-2.238 HT-0.05
SPEC SHEET

Available:
16.00
Your Price:
4.73
Each
Item#:
MS27595-138

2.125 x 2.301 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.125 OD-2.301 HT-0.05
SPEC SHEET

Available:
9.00
Your Price:
4.84
Each
Item#:
MS27595-139

2.187 x 2.363 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.187 OD-2.363 HT-0.05
SPEC SHEET

Available:
49.00
Your Price:
7.10
Each
Item#:
MS27595-140

2.25 x 2.426 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.25 OD-2.426 HT-0.05
SPEC SHEET

Available:
33.00
Your Price:
7.40
Each
Item#:
MS27595-141

2.312 x 2.488 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.312 OD-2.488 HT-0.05
SPEC SHEET

Available:
33.00
Your Price:
7.70
Each
Item#:
MS27595-142

2.375 x 2.551 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.375 OD-2.551 HT-0.05
SPEC SHEET

Available:
1319.00
Your Price:
7.80
Each
Item#:
MS27595-143

2.437 x 2.613 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.437 OD-2.613 HT-0.05
SPEC SHEET

Available:
27.00
Your Price:
8.01
Each
Item#:
MS27595-144

2.5 x 2.676 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.5 OD-2.676 HT-0.05
SPEC SHEET

Available:
37.00
Your Price:
8.21
Each
Item#:
MS27595-145

2.562 x 2.738 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.562 OD-2.738 HT-0.05
SPEC SHEET

Available:
25.00
Your Price:
8.75
Each
Item#:
MS27595-146

2.629 x 2.805 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.629 OD-2.805 HT-0.05
SPEC SHEET

Available:
0.00
ETA:
02/28/2025
Your Price:
8.85
Each
Item#:
MS27595-147

2.87 x 3.046 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.87 OD-3.046 HT-0.05
SPEC SHEET

Available:
13.00
Your Price:
9.68
Each
Item#:
MS27595-148

2.75 x 2.926 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-2.75 OD-2.926 HT-0.05
SPEC SHEET

Available:
38.00
Your Price:
9.68
Each
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