This re-seal kit for the Crosman 1322 and 1377 (.22 and .177 caliber pumper) Phase 1 made from 1977 to 1980 contains:

Breech Seal
Check Valve Plunger
Valve Spring
Valve Stem
Valve outer casing o-ring
Valve inner casing o-ring
Pump Cup
Bolt o-ring