STYLE 870 RUBBER U-SEALS

 

     
SEAL INFORMATION
MATERIAL 70A BUNA-N RUBBER
TEMPERATURE RANGE -40° to +240° F
PRESSURE RANGE 0 to 500 PSI
SPEED 3 FT/SEC
PART NUMBER (Prefix) - (A-N Dash Number)


Style 870 u-seals are precision molded from Buna-N synthetic rubber. Style 870 u-seal numbers conform in size to Army-Navy specification AN6226.

This style can also be supplied in various materials including: H-NBR, X-NBR, Hytrel, Flurocarbon (VITON), NBR, and others.  Call for more information.

  

Part #

A - Nom. I.D.

B - Nom. O.D.

C - Nom. Height

D - Groove Width

E - Rod Diameter

F - Throat Diameter

G - Housing Diameter

H - Groove Diameter

I - Piston Diameter

J - Bore Diameter

D1 – Groove Width with Backup

List
Price

870-006

1/8

1/4

1/16

.094

.125

.126

.250

.125

.249

.250

.156

$1.01

870-01

1/8

1/2

3/16

.218

.125

.126

.500

.125

.498

.500

.280

$1.62

870-02

3/16

9/16

3/16

.218

.187

.188

.563

.187

.560

.563

.280

$1.62

870-03

1/4

5/8

3/16

.218

.250

.251

.625

.250

.623

.625

.280

$1.69

870-04

5/16

11/16

3/16

.218

.312

.313

.688

.312

.685

.688

.280

$1.69

870-05

3/8

3/4

3/16

.218

.375

.376

.750

.375

.748

.750

.280

$1.69

870-06

7/16

13/16

3/16

.218

.437

.438

.813

.437

.810

.813

.280

$1.88

870-07

1/2

7/8

3/16

.218

.500

.501

.875

.500

.873

.875

.280

$1.95

870-08

1/4

3/4

1/4

.281

.250

.251

.750

.250

.748

.750

.343

$2.06

870-09

5/16

13/16

1/4

.281

.312

.313

.813

.312

.810

.813

.343

$2.06

870-10

3/8

7/8

1/4

.281

.375

.376

.875

.375

.873

.875

.343

$2.06

870-11

7/16

15/16

1/4

.281

.437

.438

.938

.437

.935

.938

.343

$2.06

870-12

1/2

1

1/4

.281

.500

.501

1.000

.500

.998

1.000

.343

$2.19

870-13

9/16

1-1/16

1/4

.281

.562

.563

1.063

.562

1.060

1.063

.343

$2.19

870-134

2-1/2

3

1/4

.281

2.500

2.502

3.000

2.500

2.998

3.000

.343

$3.58

870-14

5/8

1-1/8

1/4

.281

.625

.626

1.125

.625

1.123

1.125

.343

$2.19

870-15

11/16

1-3/16

1/4

.281

.687

.688

1.188

.687

1.185

1.188

.343

$2.19

870-16

3/4

1-1/4

1/4

.281

.750

.751

1.250

.750

1.248

1.250

.343

$2.35

870-17

13/16

1-5/16

1/4

.281

.812

.813

1.313

.812

1.310

1.313

.343

$2.35

870-18

7/8

1-3/8

1/4

.281

.875

.876

1.375

.875

1.373

1.375

.343

$2.35

870-19

15/16

1-7/16

1/4

.281

.937

.938

1.438

.937

1.435

1.438

.343

$2.35

870-2.62X3.12

2-5/8

3-1/8

1/4

.281

2.625

2.626

3.125

2.625

3.124

3.125

.343

$12.14

870-20

1

1-1/2

1/4

.281

1.000

1.001

1.500

1.000

1.498

1.500

.343

$2.46

870-21

1-1/16

1-9/16

1/4

.281

1.062

1.063

1.563

1.062

1.560

1.563

.343

$2.53

870-22

1-1/8

1-5/8

1/4

.281

1.125

1.126

1.625

1.125

1.623

1.625

.343

$2.53

870-23

1-3/16

1-11/16

1/4

.281

1.187

1.188

1.688

1.187

1.685

1.688

.343

$2.53

870-24

1-1/4

1-3/4

1/4

.281

1.250

1.251

1.750

1.250

1.748

1.750

.343

$2.53

870-25

1-1/4

1-7/8

5/16

.344

1.250

1.252

1.875

1.250

1.873

1.875

.406

$2.71

870-26

1-3/8

2

5/16

.344

1.375

1.377

2.000

1.375

1.998

2.000

.406

$2.89

870-27

1-1/2

2-1/8

5/16

.344

1.500

1.502

2.125

1.500

2.123

2.125

.406

$2.98

870-28

1-5/8

2-1/4

5/16

.344

1.625

1.627

2.250

1.625

2.248

2.250

.406

$3.02

870-29

1-3/4

2-3/8

5/16

.344

1.750

1.752

2.375

1.750

2.373

2.375

.406

$3.07

870-2X2-3/8

2

2-3/8

3/16

.218

2.000

2.002

2.375

2.000

2.373

2.375

.280

$6.39

870-3.12X3.62

3-1/8

3-5/8

1/4

.281

3.125

3.126

3.625

3.125

3.624

3.625

.343

$14.14

870-3.62X4.12

3-5/8

4-1/8

1/4

.281

3.625

3.626

4.125

3.625

4.124

4.125

.343

$17.91

870-30

1-7/8

2-1/2

5/16

.344

1.875

1.877

2.500

1.875

2.498

2.500

.406

$3.16

870-31

2

2-5/8

5/16

.344

2.000

2.002

2.625

2.000

2.623

2.625

.406

$3.25

870-32

2-1/8

2-3/4

5/16

.344

2.125

2.127

2.750

2.125

2.748

2.750

.406

$3.41

870-33

2-1/4

2-7/8

5/16

.344

2.250

2.252

2.875

2.250

2.873

2.875

.406

$3.47

870-34

2-3/8

3

5/16

.344

2.375

2.377

3.000

2.375

2.998

3.000

.406

$3.66

870-35

2-1/2

3-1/8

5/16

.344

2.500

2.502

3.125

2.500

3.123

3.125

.406

$3.87

870-36

2-1/2

3-1/4

3/8

.406

2.500

2.502

3.250

2.500

3.248

3.250

.468

$4.02

870-37

2-5/8

3-3/8

3/8

.406

2.625

2.627

3.375

2.625

3.373

3.375

.468

$4.20

870-38

2-3/4

3-1/2

3/8

.406

2.750

2.752

3.500

2.750

3.498

3.500

.468

$4.24

870-39

2-7/8

3-5/8

3/8

.406

2.875

2.877

3.625

2.875

3.623

3.625

.468

$4.38

870-4.12X4.62

4-1/8

4-5/8

1/4

.281

4.125

4.126

4.625

4.125

4.624

4.625

.343

$11.54

870-40

3

3-3/4

3/8

.406

3.000

3.002

3.750

3.000

3.748

3.750

.468

$4.47

870-41

1/8

3/8

1/8

.156

.125

.127

.375

.125

.373

.375

.218

$1.62

870-42

3/16

7/16

1/8

.156

.187

.189

.438

.187

.435

.438

.218

$1.62

870-43

1/4

1/2

1/8

.156

.250

.252

.500

.250

.498

.500

.218

$1.62

870-44

5/16

9/16

1/8

.156

.312

.314

.563

.312

.560

.563

.218

$1.62

870-45

3/8

5/8

1/8

.156

.375

.377

.625

.375

.623

.625

.218

$1.69

870-46

7/16

11/16

1/8

.156

.437

.439

.688

.437

.685

.688

.218

$1.77

870-47

1/2

3/4

1/8

.156

.500

.502

.750

.500

.748

.750

.218

$1.77

870-48

5/8

1

3/16

.218

.625

.627

1.000

.625

.998

1.000

.280

$2.19

870-49

3/4

1-1/8

3/16

.218

.750

.752

1.125

.750

1.123

1.125

.280

$2.19

870-5.12X6

5-1/8

6

7/16

.469

5.125

5.127

6.000

5.125

5.998

6.000

.531

$30.68

870-5.2X6

5-1/4

6

3/8

.406

5.250

5.252

6.000

5.250

5.998

6.000

.468

$23.61

870-5.2X6X.50

5-1/4

6

1/2

.531

5.250

5.252

6.000

5.250

5.998

6.000

.593

$23.61

870-50

7/8

1-1/4

3/16

.218

.875

.877

1.250

.875

1.248

1.250

.280

$2.35

870-51

1

1-3/8

3/16

.218

1.000

1.002

1.375

1.000

1.373

1.375

.280

$2.35

870-52

1-1/8

1-1/2

3/16

.218

1.125

1.127

1.500

1.125

1.498

1.500

.280

$2.39

870-53

1-1/4

1-5/8

3/16

.218

1.250

1.252

1.625

1.250

1.623

1.625

.280

$2.39

870-6.12X7

6-1/8

7

7/16

.469

6.125

6.127

7.000

6.125

6.998

7.000

.531

$45.49

870-6.2X7X.50

6-1/4

7

1/2

.531

6.250

6.252

7.000

6.250

6.998

7.000

.593

$25.24

870-60

3-1/4

4

3/8

.406

3.250

3.252

4.000

3.250

3.998

4.000

.468

$6.35

870-65

4-1/4

5

3/8

.406

4.250

4.252

5.000

4.250

4.998

5.000

.468

$10.45

870-6X7X.5

6

7

1/2

.531

6.000

6.002

7.000

6.000

6.998

7.000

.593

$25.69

870-80

7

8

1/2

.531

7.000

7.002

8.000

7.000

7.998

8.000

.593

$24.14

870-90

11

12

1/2

.531

11.000

11.002

12.000

11.000

11.998

12.000

.593

$38.68

870-95

13

14

1/2

.531

13.000

13.002

14.000

13.000

13.998

14.000

.593

$49.22

870-9X10

9

10

1/2

.531

9.000

9.002

10.000

9.000

9.998

10.000

.593

$95.69

 

 
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