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gotyoke

Well Known Member
My fuse kit came with two different kinds of piano hinge, each 6-feet long. I don't know enough about these things to be sure which is which.

AN257-P3X6' - HINGE X 6'
HINGE PIANO 1/8X6' - 0.125 THICK PIANO HINGE

One is shinier and sturdier, with a wider flange. The other has MS20257-3 stamped on it. All my assumptions point to AN257-P3 being the same as MS20257-3, but I want to be sure before I cut anything.


IMG_0492.jpeg
 
I believe MS20257P3 (aka AN257) is aluminum and used for the seat hinges. The other one is stainless steel and used for attaching the cowl to the firewall.
 
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