Description
NAS1587-4 Washer — Exhaust
Standard NAS1587 washer, listed in the exhaust installations (IPC 78-20-01) with the AN4C bolts and AN310C4 nuts at the exhaust joints.
Fit, per the Cirrus Illustrated Parts Catalog:
- SR20 serials 1005 and up (IO-360 and IO-390)
- SR22 serials 4435 and up
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.
