Nominal Size or Diameter

Body Diameter(E)

Width Across Flats(F)

Width Across Corners(G)

Flange Dia.(B)

Flange Thickness(U)

Height(D)

Hex Height(H)

Flange Top radius

Gaging Ring Thickness

Max

Min

Basic

Max

Min

Max

Min

Max

Min

Max

Min

Max

Max

Min

1/4

.2500

.2450

3/8

.3750

.367

.433

.409

.56

.04

.28

.17

.015

.0514

.0511

5/16

.3125

.3065

1/2

.5000

.489

.577

.548

.68

.05

.32

.21

.019

.0643

.0640

3/8

.3750

.3690

9/16

.5625

.551

.650

.618

.81

.06

.39

.25

.022

.0771

.0768

7/16

.4375

.4305

5/8

.6250

.612

.722

.685

.93

.07

.46

.30

.026

.0900

.0897

1/2

.5000

.4930

3/4

.7500

.736

.866

.825

1.07

.08

.51

.34

.030

.1029

.1026

9/16

.5625

.5545

13/16

.8125

.798

.938

.895

1.19

.09

.57

.38

.034

.1157

.1154

5/8

.6250

.6170

15/16

.9375

.922

1.083

1.034

1.33

.10

.62

.42

.038

.1286

.1283

3/4

.7500

.7410

1-1/8

1.1250

1.100

1.299

1.234

1.59

.11

.73

.51

.045

.1543

.1540