MS25042-20D W/CHAIN. DUST CAP FOR #18 SHELL THREADED PLUGS MRO Part # MS25042-20D MS25042-20D W/CHAIN Threaded Dust Cap For Threaded Connector For # 20 Shell. Built Following MIL-DTL-5015 Guidelines Fits Plugs (MS3106 and similar) Categories: 20 shell, Mil-Spec Dust Caps Related products 9760-20 More Info MS3181-8C W/CHAIN. DUST CAP FOR #18 SHELL BAYONET PLUGS More Info MS3180-8C W/CHAIN. DUST CAP FOR #8 SHELL BAYONET PLUGS More Info MS3180-18C W/CHAIN. DUST CAP FOR #18 SHELL BAYONET PLUGS More Info