M923A1 Spring Brake Chamber Swap

Welcome to Iron Moose 5-Ton. This video explains what's involved in swapping out a "Spring Brake Chamber" on an M923A1. Any questions feel free to ask! We have attached some part numbers below for the items used. Piggy Back Fail-Safe Spring Brake Chamber -Military Part Number: A-3280-E-6817 -NSN #: 2530-01-134-3417 Chamber Clamp: (Used between service and spring brake housing..the one we replaced in the video.) -Military Part #: 2797V100 -NSN #: 5340-00-015-7560 Service Side Brake Diaphragm. (Smaller ones) -Air brake chamber diaphragm (Type 12, 5-15/32” diameter) for all M939 series front and rear service brakes. P/N 234226, AD17544, 031023. NSN 2530004302392. Spring Brake Diaphragm if you're interested: *NOT USED IN THIS VIDEO AND NOT RECOMMENDED!!!!* -Air brake chamber diaphragm (Type 16, 6-13/64" diameter) P/N 234189, N20151. NSN 2530000282533. Fits M939 series fail-safe spring brakes.