Item

Thread Size

Material

Part No.

Plating

Heat Treatment

Ball

Spring

1

1/4"NPT

1215

V-X500-A

ZINC/ENP

~

440C

302SS

2

A105

V-X500-B

3

4140

V-X500-C

HRC C22 MAX

4

316S

V-X500-D

~

Annealed

K-Monel

X-750

5

3/8"NPT

1215

V-X501-A

ZINC/ENP

~

440C

302SS

6

A105

V-X501-B

7

4140

V-X501-C

HRC C22 MAX

8

316S

V-X501-D

~

Annealed

K-Monel

X-750

9

1/2"NPT

1215

V-X502-A

ZINC/ENP

~

440C

302SS

10

A105

V-X502-A

11

4140

V-X502-C

HRC C22 MAX

12

316S

V-X502-D

~

Annealed

K-Monel

X-750

** Other materials and plating available upon request.