BFT Part Number 5100134 or WJ055010/256
STM part number: HD400059
Other references: 5300047
Net Weight: 1 g
Valve Seat, 5102179
10206 Net Weight: 23 g
Guide bushing, 5102242
10207 Net Weight: 2 g
O-ring HP-seal, 4100175
10212 Net Weight: 1 g
HP-Gasket, 4100577
10213 Net Weight: 1 g