Agilent Varian Replacement O-Ring Kit for the VHS-400 Diffusion Pump, ASA 18 in. OD.
PN K0377189.

These O-Ring kits fit the Agilent Varian VHS-400, ASA 18 inch OD Non Standard, Diffusion Pump. Other diffusion pump accessories are available on this web site.

O-Ring Kit Contains:

1 Inlet Flange O-Ring ASA Non Standard Butyl No. 2-385
1 Foreline Outlet Flange O-Ring ASA 2 in. Butyl No. 2-338
10 Viton fill and drain O-rings (old style), Parker No. 2-112
10 Viton fill and drain O-rings (new style, Parker No. 2-113
1 PTFE gasket
1 Sight glass O-ring, Parker No. 2-226