Part Description

Nominal Seal Size

Shaft
Diameter

Bore
Diameter

Bore
Width

Material

I.D.

O.D.

Width

A

B

W

NBR

FKM

STD250-01

1/4

.250

.588

.163

x

STD250-02

1/4

3/4

5/16

.250

.750

.313

x

STD312-01

5/16

3/4

5/16

.312

.750

.313

x

STD312-02

5/16

2-1/16

7/16

.312

2.063

.438

x

STD375-01

3/8

11/16

5/32

.375

.688

.156

x

STD375-02

3/8

11/16

11/32

.375

.688

.344

x

STD375-03

3/8

3/4

1/4

.375

.750

.250

x

STD375-04

3/8

3/4

9/32

.375

.750

.281

x

STD375-05

3/8

7/8

1/4

.375

.875

.250

x

STD375-06

3/8

7/8

5/16

.375

.875

.313

x

STD438-01

7/16

3/8

.438

.100

.375

x

STD438-02

7/16

7/8

1/4

.438

.875

.250

x

STD438-03

7/16

7/8

5/16

.438

.875

.313

x

STD438-04

7/16

23/32

.438

.954

.719

x

STD438-05

7/16

1

1/4

.438

1.000

.250

x

STD438-06

7/16

1

3/8

.438

1.000

.375

x

STD438-07

7/16

1-1/8

1/4

.438

1.125

.250

x

STD438-08

7/16

1-1/8

5/16

.438

1.125

.313

x

STD438-09

7/16

1-1/8

3/8

.438

1.125

.375

x

STD438-10

7/16

1-1/4

3/8

.438

1.248

.375

x

STD469-01

15/32

1

1/4

.469

1.000

.250

x

STD500-01

1/2

1

1/4

.500

1.000

.250

x

STD500-02

1/2

1

5/16

.500

1.000

.313

x

STD500-03

1/2

1

3/8

.500

1.000

.375

x

STD500-04

1/2

5/32

.500

1.068

.156

x

STD500-05

1/2

1-1/8

3/16

.500

1.125

.188

x

STD500-06

1/2

1-1/8

1/4

.500

1.125

.250

x

STD500-07

1/2

1-1/8

3/8

.500

1.125

.375

x

STD500-08

1/2

1-1/8

1/2

.500

1.125

.500

x

STD500-09

1/2

1-1/4

5/16

.500

1.250

.313

x

STD531-01

17/32

1-1/8

1/4

.531

1.125

.250

x

STD563-01

9/16

1

5/16

.563

1.000

.313

x

STD563-02

9/16

1

7/32

.563

1.003

.219

x

STD563-03

9/16

1-1/8

1/4

.563

1.125

.250

x

STD563-04

9/16

1-1/8

3/8

.563

1.125

.375

x

STD563-05

9/16

9/32

.563

1.196

.281

x

STD563-06

9/16

3/8

.563

1.243

.375

x

STD563-07

9/16

1-1/2

5/16

.563

1.500

.313

x

STD625-01

5/8

1

1/4

.625

1.000

.250

x

STD625-02

5/8

1-1/8

3/16

.625

1.125

.188

x

STD625-03

5/8

1-1/8

1/4

.625

1.125

.250

x

STD625-04

5/8

1-1/8

5/16

.625

1.125

.313

x

STD625-05

5/8

1-1/8

17/32

.625

1.125

.531

x

STD625-06

5/8

1/4

.625

1.216

.250

x

STD625-07

5/8

1/4

.625

1.220

.250

x

STD625-08

5/8

1-1/4

1/4

.625

1.250

.250

x

STD625-09

5/8

1-1/4

5/16

.625

1.250

.313

x

STD625-10

5/8

1-1/4

3/8

.625

1.250

.375

x

STD625-11

5/8

1-1/4

7/16

.625

1.250

.438

x

STD625-12

5/8

1-1/4

17/32

.625

1.250

.531

x

STD625-13

5/8

7/32

.625

1.329

.219

x

STD625-14

5/8

1-1/3

7/32

.625

1.331

.219

x

STD625-15

5/8

1-3/8

5/16

.625

1.375

.313

x

STD625-16

5/8

1-1/2

5/16

.625

1.500

.313

x

STD625-17

5/8

5/16

.625

1.575

.313

x

STD668-01

1-3/8

1/4

.668

1.375

.250

x

STD669-01

1-1/8

5/16

.669

1.125

.313

x

STD669-02

1/4

.669

1.254

.250

x

STD688-01

11/16

3/16

.688

1.058

.188

x

STD688-02

11/16

1-1/8

1/4

.688

1.125

.250

x

STD688-03

11/16

1-1/8

5/16

.688

1.125

.313

x

STD688-04

11/16

1-3/16

1/4

.688

1.188

.250

x

STD688-05

11/16

1-3/8

3/8

.688

1.375

.375

x

STD719-01

23/32

1/4

.719

.012

.250

x

STD719-02

23/32

1-1/4

1/4

.719

1.250

.250

x

STD750-01

3/4

1-1/8

1/4

.750

1.125

.250

x

STD750-02

3/4

1/4

.750

1.129

.250

x

STD750-03

3/4

5/32

.750

1.192

.156

x

STD750-04

3/4

1-1/4

1/4

.750

1.250

.250

x

x

STD750-05

3/4

1-1/4

9/32

.750

1.250

.281

x

STD750-06

3/4

1-1/4

5/16

.750

1.250

.313

x

x

STD750-07

3/4