The mechanical seal assembly of simplified structure

A mechanical seal assembly comprising: - a rotary seal ring (2) and a stationary seal ring (3), which between them delimit a sealing gap (4), - a retaining ring (5) for holding the stationary seal ring (3), and - a housing (6), - wherein between the housing (6) and the retaining ring (5) has a clamping connection (7) by means of at least one clamping member (8) is provided, characterized, in that - the clamping member (8) is a countersunk screw, which on a head (80) has a cone (81), said cone (81) for the clamping connection with a first conical portion (71) on the housing (6) and a second conical region (72) is arranged on the retaining ring (5).