Points: NAPA Echlin CS777A
Condenser: NAPA Echlin RR174 or RR175
Cups in wheel cylinders: NAPA United 14451 I honed them out and rebuilt them
Oil Filters: Hastings 106; AC P-117; Fram C-31or C-31P; Purolator P-50
Air cleaner is oil bath, no dry element installed
Wheel hub axle seal inner: National 2275398 Victor 47798
Winch end seal: Chicago Rawhide 48693 This also used in M35 series
I had good luck at NAPA with getting parts for the civilian GMC 302 engine of the same year. All engine gaskets, etc. They do have the military spark plugs, but very pricey.
Regards Marti