Supply Of Maintenance Kit For Check Valve Assembly To Faiveley Part No. 790006106 For Check Valve Assembly To Ftrtil Part No. 790040106 For Lhb Coaches 01 Set Consisting Of 3 Items. 1 Control Air Release Valve, Part No. Ab11-265a, Qty 01 No/set 2 Spring Part No. 6814000, Qty 01 No/set 3 Joint Ring, Part No. 006724000a, Qty 01 No/set..