good Standard valve retaining screw in stainless w/oring
$6.00
good Standard valve retaining screw in stainless w/oring, slightly larger than standard od. Will still work with standard tubes but od is .252 for some larger than standard phantom tube. (standard is .~.248
good Standard valve retaining screw in stainless w/oring, slightly larger than standard od. Will still work with standard tubes but od is .252 for some larger than standard phantom tube. (standard is .~.248