I count 14 OEM on my 74. I miss counted the ones I added.
OEM
Drag Link – 2
Center Arm – 1
Relay Rod – 2
Tie Rod – 2
U-Joints – 4
Drive Shafts – 2
T-Case – 1
Total – 14
Added by me
Shackle and Spring Mount pins – 12
Knuckles – 2
Front Hubs – 2
Total - 16
Grand Total - 30
The Lock-N-Lube couplers Byron pointed to are great. Put that on “THIS” grease gun and in the pressure mode, you can clear out some clogged fittings that other setups will not. Can’t help ya on thread size. I just have two assortment kits, metric & SAE and it’s always trial & error till I find...