Backup Rings | Allegheny York

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Home > BACKUP RINGS

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.

|◀ ◀ 1189 - 1224 of 1586 ▶ ▶|

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Item#:

MS27595-272

9.5 x 9.738 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-9.5 OD-9.738 HT-0.05
SPEC SHEET

Available:

12.00

Your Price:

64.48

Each

Qty:

Item#:

MS27595-273

9.75 x 9.988 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-9.75 OD-9.988 HT-0.05
SPEC SHEET

Available:

15.00

Your Price:

70.92

Each

Qty:

Item#:

MS27595-277

11.5 x 11.738 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-11.5 OD-11.738 HT-0.05
SPEC SHEET

Available:

1.00

Your Price:

73.02

Each

Qty:

Item#:

MS27595-278

12 x 12.238 x 0.05 Solid PTFE Back Up Ring Inch

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

ID-12 OD-12.238 HT-0.05
SPEC SHEET

Available:

7.00

Your Price:

73.44

Each

Qty:

Item#:

MS27595-319

1.062 x 1.432 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-1.062 OD-1.432 HT-0.07
SPEC SHEET

Available:

11.00

Your Price:

8.99

Each

Qty:

Item#:

MS27595-321

1.187 x 1.557 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-1.187 OD-1.557 HT-0.07
SPEC SHEET

Available:

18.00

Your Price:

9.04

Each

Qty:

Item#:

MS27595-324

1.375 x 1.75 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-1.375 OD-1.75 HT-0.07
SPEC SHEET

Available:

55.00

Your Price:

9.05

Each

Qty:

Item#:

MS27595-325

1.5 x 1.87 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-1.5 OD-1.87 HT-0.07
SPEC SHEET

Available:

35.00

Your Price:

8.60

Each

Qty:

Item#:

MS27595-326

1.625 x 1.995 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-1.625 OD-1.995 HT-0.07
SPEC SHEET

Available:

34.00

Your Price:

8.77

Each

Qty:

Item#:

MS27595-327

1.75 x 2.12 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-1.75 OD-2.12 HT-0.07
SPEC SHEET

Available:

44.00

Your Price:

9.78

Each

Qty:

Item#:

MS27595-328

1.875 x 2.245 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-1.875 OD-2.245 HT-0.07
SPEC SHEET

Available:

18.00

Your Price:

9.82

Each

Qty:

Item#:

MS27595-329

2 x 2.37 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-2 OD-2.37 HT-0.07
SPEC SHEET

Available:

55.00

Your Price:

9.86

Each

Qty:

Item#:

MS27595-330

2.125 x 2.495 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-2.125 OD-2.495 HT-0.07
SPEC SHEET

Available:

19.00

Your Price:

10.58

Each

Qty:

Item#:

MS27595-331

2.25 x 2.62 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-2.25 OD-2.62 HT-0.07
SPEC SHEET

Available:

9.00

Your Price:

10.69

Each

Qty:

Item#:

MS27595-332

2.375 x 2.745 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-2.375 OD-2.745 HT-0.07
SPEC SHEET

Available:

75.00

Your Price:

10.71

Each

Qty:

Item#:

MS27595-333

2.5 x 2.87 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-2.5 OD-2.87 HT-0.07
SPEC SHEET

Available:

35.00

Your Price:

10.80

Each

Qty:

Item#:

MS27595-334

2.623 x 2.993 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-2.623 OD-2.993 HT-0.07
SPEC SHEET

Available:

61.00

Your Price:

10.87

Each

Qty:

Item#:

MS27595-335

2.75 x 3.12 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-2.75 OD-3.12 HT-0.07
SPEC SHEET

Available:

20.00

Your Price:

11.53

Each

Qty:

Item#:

MS27595-336

2.875 x 3.245 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-2.875 OD-3.245 HT-0.07
SPEC SHEET

Available:

34.00

Your Price:

11.76

Each

Qty:

Item#:

MS27595-337

3 x 3.37 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-3 OD-3.37 HT-0.07
SPEC SHEET

Available:

35.00

Your Price:

12.80

Each

Qty:

Item#:

MS27595-338

3.125 x 3.495 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-3.125 OD-3.495 HT-0.07
SPEC SHEET

Available:

60.00

Your Price:

9.65

Each

Qty:

Item#:

MS27595-339

3.25 x 3.62 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-3.25 OD-3.62 HT-0.07
SPEC SHEET

Available:

34.00

Your Price:

12.34

Each

Qty:

Item#:

MS27595-340

3.375 x 3.745 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-3.375 OD-3.745 HT-0.07
SPEC SHEET

Available:

19.00

Your Price:

12.55

Each

Qty:

Item#:

MS27595-341

3.5 x 3.87 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-3.5 OD-3.87 HT-0.07
SPEC SHEET

Available:

51.00

Your Price:

12.65

Each

Qty:

Item#:

MS27595-342

3.625 x 3.995 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-3.625 OD-3.995 HT-0.07
SPEC SHEET

Available:

100.00

Your Price:

12.77

Each

Qty:

Item#:

MS27595-343

3.75 x 4.12 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-3.75 OD-4.12 HT-0.07
SPEC SHEET

Available:

69.00

Your Price:

13.18

Each

Qty:

Item#:

MS27595-344

3.875 x 4.245 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-3.875 OD-4.245 HT-0.07
SPEC SHEET

Available:

50.00

Your Price:

13.60

Each

Qty:

Item#:

MS27595-345

4 x 4.37 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-4 OD-4.37 HT-0.07
SPEC SHEET

Available:

10.00

Your Price:

14.04

Each

Qty:

Item#:

MS27595-346

4.125 x 4.495 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-4.125 OD-4.495 HT-0.07
SPEC SHEET

Available:

7.00

Your Price:

14.46

Each

Qty:

Item#:

MS27595-347

4.25 x 4.62 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-4.25 OD-4.62 HT-0.07
SPEC SHEET

Available:

3.00

Your Price:

14.88

Each

Qty:

Item#:

MS27595-348

4.375 x 4.745 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-4.375 OD-4.745 HT-0.07
SPEC SHEET

Available:

0.00

ETA:

03/07/2025

Your Price:

15.30

Each

Qty:

Item#:

MS27595-349

4.5 x 4.87 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-4.5 OD-4.87 HT-0.07
SPEC SHEET

Available:

7.00

Your Price:

14.87

Each

Qty:

Item#:

MS27595-350

4.625 x 4.995 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-4.625 OD-4.995 HT-0.07
SPEC SHEET

Available:

14.00

Your Price:

20.51

Each

Qty:

Item#:

MS27595-351

4.75 x 5.12 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-4.75 OD-5.12 HT-0.07
SPEC SHEET

Available:

10.00

Your Price:

25.06

Each

Qty:

Item#:

MS27595-354

5.125 x 5.495 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-5.125 OD-5.495 HT-0.07
SPEC SHEET

Available:

24.00

Your Price:

25.53

Each

Qty:

Item#:

MS27595-357

5.5 x 5.87 x 0.07 Solid PTFE Back Up Ring Inch

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

ID-5.5 OD-5.87 HT-0.07
SPEC SHEET

Available:

21.00

Your Price:

29.14

Each

Qty:

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9.5 x 9.738 x 0.05 Solid PTFE Back Up Ring Inch

9.75 x 9.988 x 0.05 Solid PTFE Back Up Ring Inch

11.5 x 11.738 x 0.05 Solid PTFE Back Up Ring Inch

12 x 12.238 x 0.05 Solid PTFE Back Up Ring Inch

1.062 x 1.432 x 0.07 Solid PTFE Back Up Ring Inch

1.187 x 1.557 x 0.07 Solid PTFE Back Up Ring Inch

1.375 x 1.75 x 0.07 Solid PTFE Back Up Ring Inch

1.5 x 1.87 x 0.07 Solid PTFE Back Up Ring Inch

1.625 x 1.995 x 0.07 Solid PTFE Back Up Ring Inch

1.75 x 2.12 x 0.07 Solid PTFE Back Up Ring Inch

1.875 x 2.245 x 0.07 Solid PTFE Back Up Ring Inch

2 x 2.37 x 0.07 Solid PTFE Back Up Ring Inch

2.125 x 2.495 x 0.07 Solid PTFE Back Up Ring Inch

2.25 x 2.62 x 0.07 Solid PTFE Back Up Ring Inch

2.375 x 2.745 x 0.07 Solid PTFE Back Up Ring Inch

2.5 x 2.87 x 0.07 Solid PTFE Back Up Ring Inch

2.623 x 2.993 x 0.07 Solid PTFE Back Up Ring Inch

2.75 x 3.12 x 0.07 Solid PTFE Back Up Ring Inch

2.875 x 3.245 x 0.07 Solid PTFE Back Up Ring Inch

3 x 3.37 x 0.07 Solid PTFE Back Up Ring Inch

3.125 x 3.495 x 0.07 Solid PTFE Back Up Ring Inch

3.25 x 3.62 x 0.07 Solid PTFE Back Up Ring Inch

3.375 x 3.745 x 0.07 Solid PTFE Back Up Ring Inch

3.5 x 3.87 x 0.07 Solid PTFE Back Up Ring Inch

3.625 x 3.995 x 0.07 Solid PTFE Back Up Ring Inch

3.75 x 4.12 x 0.07 Solid PTFE Back Up Ring Inch

3.875 x 4.245 x 0.07 Solid PTFE Back Up Ring Inch

4 x 4.37 x 0.07 Solid PTFE Back Up Ring Inch

4.125 x 4.495 x 0.07 Solid PTFE Back Up Ring Inch

4.25 x 4.62 x 0.07 Solid PTFE Back Up Ring Inch

4.375 x 4.745 x 0.07 Solid PTFE Back Up Ring Inch

4.5 x 4.87 x 0.07 Solid PTFE Back Up Ring Inch

4.625 x 4.995 x 0.07 Solid PTFE Back Up Ring Inch

4.75 x 5.12 x 0.07 Solid PTFE Back Up Ring Inch

5.125 x 5.495 x 0.07 Solid PTFE Back Up Ring Inch

5.5 x 5.87 x 0.07 Solid PTFE Back Up Ring Inch