Mitsubishi Electric PD-6130 Service Manual page 51

23. GASKET(CLASS B)
(Caution) Gaskets are used only for the CLASS B model. [For more details, refer to Item 6 of the caution column on P.6-1.]
If replacement is intended, the gasket should be carefully stuck without permitting it to protrude from the BACK COVER when
this BACK COVER is being mounted.
M13 GASKET(L120*10*T10)
7p
M11 GASKET(L30*10*T10)
17p
M15 GASKET(L140*13*T1.5)
4p
M14 GASKET(L30*6*T3)
2p
M12 GASKET(L50*10*T10)
22p
5-22