Used on series 6000 full facepiece respirator; niosh 42cfr84 approved
NSN 5965-00-199-4456
NSN 5975-01-594-2377
NSN 4140-01-360-6237
NSN 6320-01-374-8037
NSN 6220-00-605-0404
NSN 6135-00-812-9039
NSN 5925-01-462-7251
NSN 6130-01-293-4650
NSN 6150-01-433-8791
NSN 6620-01-387-7645
NSN 6135-00-196-5267
NSN 4140-01-363-2258