Nipple, Boss, Adapter, Aluminum Alloy

Adapter is designed for use with the Chinook Helicopter CH-47, and the part number is MS21900D4. This aluminum alloy component features a nominal overall length of 2.750 inches and is built according to the government standard 96906-MS21900. It includes a flared and flareless design with a center wrenching facility, enhancing its usability in tight spaces. With a mounting facility of two unthreaded holes, the adapter is suitable for intermittent duty applications and is rated for environmental protection against dust. The adapter is an essential part of the helicopter's assembly, facilitating reliable connections.