The Hypertherm C107-121 is an inner retaining cap for MS 400 amp torches.
220433
260 Amp Inner Retaining Cap
220313
Inner Retaining Cap
C107-110
Retaining Cap, Inner, 30/50 A, SS, Air
220635
HPR/Nozzle Retaining Cap/400 Amp/Carbon Steel
220712
HPR/Nozzle Retaining Cap/400 Amp/Stainless Steel
220637
HPR/Shield Cap/400 Amp/Stainless Steel
220759
HPRXD/Nozzle Retaining Cap/200 Amp/Aluminum
220760
HPR/Nozzle Retaining Cap/260 Amp/Carbon Steel
220756
HPR/Nozzle Retaining Cap/130 Amp/Aluminum
220758
HPR/Nozzle Retaining Cap/260 Amp/Aluminum