Used on 6000 series full facepiece respirator, niosh 42cfr84 approved
NSN 5985-00-487-8463
NSN 6685-01-171-6979
NSN 6650-01-443-5342
NSN 6150-01-462-1583
NSN 6320-01-431-4359
NSN 5835-01-157-5886
NSN 5985-00-609-7322
NSN 6645-01-582-6688
NSN 5996-00-411-7119
NSN 6145-01-217-9228
NSN 5855-01-088-8700
NSN 6145-00-135-1436