Knurled Knob
No failure report names the knurled knob. 2 FAA approvals let 2 companies make a replacement knurled knob, Shadin Avionics (Name Change From Shadin Company 2/28/06) holding the most (1).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a knurled knob and sell it as an approved part for the models named. These are the companies holding such approvals for a knurled knob:
For these models most: Cessna T337 (1), Cessna T210 Turbo Centurion (1), Cessna T-310 (1), Cessna 337 Skymaster (1), Cessna 310 (1), Cessna 210 Centurion (1), Cessna 208 Caravan (1), Beechcraft V35 Bonanza (1), Beechcraft G33 (1), Beechcraft F33 Bonanza (1), Beechcraft E-55 (1), Beechcraft D55 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Shadin Avionics | Knurled Knob 512014-1 | 512014-1 | Textron Aviation Inc. 208, 208B | 2017-05-07 | current |
| Shadin Avionics (Name Change From Shadin Company 2/28/06) | Knurled Knob 512014-1 | Modification Part | Beech Raytheon) (F33, F33A, F33C | 2000-01-06 | current |
Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.