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Retaining Ring, Kit

Aircraft OEM: Bell Helicopters
Aircraft Model: 412
P/N: AAL-061-300-021

General Information:
Alpine Aerotech has developed the Retaining Ring Kit to address the chronic cracking problem in the attachment flange of OEM exhaust ducts.

Aircraft OEM Bell Helicopter
Aircraft Model 412
Product System Air Management
Product Description Retaining Ring, Kit
ALPINE Part Number AAL-061-300-021
Alternate Configurations N/A
Price USD $ 901.00
  • Alpine Aerotech has designed the Retaining Ring to distribute the axial load of the bolts/washers evenly when secured in position over the exhaust duct flange.
  • Compatible with both OEM (fillet welded flange) and Alpine Aerotech (formed flange) exhaust ducts.
  • Precise CNC machined construction
  • Includes a complete set of new nuts, bolts, and washers for installation.
  • Replacement parts available upon inquiry.
STC Number
AC Approved
TCCA SH00-11 212,412,412EP,412CF
FAA SR01223NY 212,412,412EP
GER RC 1147 212,412
  • Weight: Negligible
  • Balance: Long. N/A; Lat. Arm N/A
  • Install Time: 3 Hours
  • All accessories/components manufactured by Alpine Aerotech LP are warranted to be free from defects in workmanship performed by Alpine Aerotech LP for a period of twelve (12) months or six hundred (600) hours of operation; whichever occurs first, after the date of shipment.
  • N/A
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