Jaco
LOT OF (16) NEW OLD STOCK! JACO 5/8" TUBE OD X 1/2" MALE NPT ELBOWS 40-10-8-C-PG
You will notice the type does not apply, so it fits a general use case.
Jaco PN-8-K 1/2" Plastic Fitting PN8K (Pack of 42)
A nice touch from TEAC Corporation and Tascam is the built-in effects on some models.