Busch oil sight glass with gasket P/N
0583.000.001,
0583 000 001,
0583000001,
0583-000-001,
583000001
position #83 in spare parts catalog.
Seal P/N
0480.000.271,
0480-000-271,
0480 000 271,
480000271,
0480000271
It's sutable for R5 series RA0025E, RA0040E, RA0063E, RA0100E, RA0025F, RA0040F, RA0063F, RA0100F