How to Select - Proper coupler selection is important because of the variety of media for which they are used.

Available In Co-Axial
Available In Brass 

Current Foster Price List

	1/2" One Way Shut-Off Plugs
Female Thread	Item No.	PKG.
3/8 FPT	53-5	10
1/2 FPT	55-5	10
3/4 FPT	57-5	5
Male Thread
1/4 MPT	50-5	10
3/8 MPT	52-5	10
1/2 MPT	54-5	10
3/4 MPT	56-5	10
Hose Stem (Require hose clamps)
3/8 I.D.	59-5	10
1/2 I.D.	60-5	10
3/4 I.D.	61-5	5
Push-On Hose Stem
3/8 I.D.	71-5	10
1/2 I.D.	81-5	10
Self Storing Air Hose
1/2 I.D.	8-5	5
Reusable Hose Clamp
ID    OD
1/4 x 1/2	PB3-5
1/4 x 9/16	PB5-5
1/4 x 5/8	PB7-5
1/4 x 11/16	PB9-5
3/8 x 5/8	PD7-5
3/8 x 11/16	PD9-5
3/8 x 3/4	PD11-5
3/8 x 13/16	PD13-5
1/2 x 13/16	PP13-5	5
1/2 x 7/8	PP15-5	5
1/2 x 15/16	PP17-5
1/2 x 1	PP19-5
Ball Check
1/2 MPT	54-5G	5
1/2 I.D. Hose	60-5G	5
Swival
1/2 MPT	54S-5	10

Current Foster Price List

Safety sockets and plugs marked with an are available with co-axial tube for use on single point injection lubrication systems.

1/2" One Way Shut-Off Sockets