I know the fuse says, FT 8ah 250 vp.
The item number with Buss is: S 505 8 R You do need the space between the 5 space 8 space R.
This is a ceramic fuse 8 amp 250 volt slow blow 5 mm in dia. and 20 mm long.
THe Graybar or Grainger is a five pack its Item number 1XFF4.
The NTC brand(i guess) is 74-55C8A-C. I bought these for pack of 5 for $3.00.
We put it in and it is working...YEs..