Complete item name is polytetrafluoroethylene; comes in white powder form
NSN 6135-01-374-6631
NSN 6145-01-561-6668
NSN 5965-01-537-0023
NSN 5960-01-104-7839
NSN 5920-00-433-1854
NSN 6610-01-400-3880
NSN 5960-01-357-0683
NSN 5996-00-105-2841
NSN 6220-01-214-4406
NSN 2925-00-605-8520
NSN 6130-01-422-2051
NSN 6685-01-265-0634