Description
NAS1149FN416P Washer — Flat, Steel, Thin, #4
Thin steel flat washer for #4 hardware (Cirrus IPC standard parts list). Listed in the cabin air controls installation (IPC 21-60-02 and 21-60-03) with MS21044N04 nuts, and in the pitch trim motor bracket installation (IPC 27-30-02, two per aircraft).
Fit, per the Cirrus Illustrated Parts Catalog:
- Cabin air controls: SR20 serials 1639 through 1885, SR22 serials 1863 through 2437, SR22 serials 2438 and up (without Perspective avionics)
- Pitch trim motor bracket: SR20 serials 1005 through 1306, SR22 serials 0002 through 0497
Serial ranges are transcribed from the Cirrus IPC. Confirm your aircraft's serial number, installed equipment and service bulletin compliance against current Cirrus documents before ordering.
Reference only — not a maintenance authority. The part numbers, effectivity and service bulletin references shown above are published as an aid to our customers and may not reflect current Cirrus data. They must not be used as the basis for installation. Mechanics must obtain and use their own current Cirrus Illustrated Parts Catalog and the current revision of any service bulletin, and must verify applicability against the aircraft serial number, service bulletin compliance and any installed STCs, before ordering or installing any part.