Hummm
OK looks like some jets may be the same for several carbs?
this would have to be verified but a guy is selling Weber jets on Ebay claiming they fit these carbs.
WEBER 120 MAIN JET DATRA,36DCNF 40DCNF 42DCNF 44DCNF,DFTA,DHTA,DMTR,DMTRA NEW
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Manufacturer Part Number:
73405.120
Part Brand:
WEBER
NEW WEBER 120 MAIN JET FOR ALL WEBER DATRA,DCNF,DFTA,DHTA,DMTR,DMTRA CARBS.
USA SHIPPING IS FREE. INTERNATIONAL SHIPPING IS $6.00.
https://www.ebay.com/itm/WEBER-120-MAIN- ... 0785010876
Another part number
Air corrector - DCNF, DMTR, DATRA Weber [77401] AUD$6.44
Air corrector - DCNF, DMTR, DATRA Weber
Air corrector jet to suit Weber carburettors;
DCNF, DMTRA, DATRA, DFTA, DMTR
Genuine Weber calibrated part
https://www.weberperformance.com.au/prod ... cts_id=366
Carbs Unlimited also has DFTA jets
https://www.carburetion.com/Weber/weberJets.asp
https://www.piercemanifolds.com/product_p/77501.htm
AIR CORRECTOR JET: DATRA,DCNF,DFTA,DHTA,DMTR,DMTRA
77501