The 509 Short Strap Mount Kit for Altitude 2.0 Helmet allows the user to securely attach any 509 Goggle Short Strap Kit (sold separately) to 509 Altitude 2.0 Helmet with the threaded accessory mounts (nutserts) on either side of the helmet.
For 509 Short Straps, refer to F02004500-000-000, F02008100-000-001, F02008100-000-002, F13003200-000-001, F13002800-000-001, 509-SSTR-X5-BK and 509-SSTR-AV-BK.