POH kit for EP brake controller of M/ S ESCORTS ( Set of 21 Hardware items ) 1 ) Piston sub assly 6405- 01 No 2 ) Round Chord ring 6407- 01 No. 3 ) Compresson spring 6409- 01 No. 4 ) Compresson spring 6518- 01 No. 5 ) Compresson spring 6524- 01 No 6 ) Round chord ring 6529- 01 No 7 ) Valve plate 6607- 01 Nos 8 ) Round chord ring 6608- 01 Nos 9 ) compresson ring 6609- 01 No. 10 ) Filter 6612- 01 No 11 ) Round chord ring 6613- 01 No 12 ) Round chord ring 6702- 01 No. 13 ) Compresson spring 6704- 01 No. 14 ) Valve plate sub assly 6706- 01 No 15 ) Filter 6707- 01 NO.; 16 ) Compression spring 6718- 01 No 17 ) Compresssion spring 6719- 01 NO 18 ) Out put spring 6913- 01 NO. 19 Input spring 6914- 01 No 20 ) Felt 6915- 01 Nos 21 ) compression ring 6930- 01 No