A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5985-00-905-7167
NSN 6240-01-613-2503
NSN 5985-01-502-6841
NSN 5996-01-479-9637
NSN 5895-01-067-7957
NSN 5905-01-601-7905
NSN 6130-01-582-8567
NSN 5855-01-210-3002
NSN 5910-00-116-2701
NSN 5920-00-584-4592
NSN 6150-00-233-6356
NSN 2925-01-146-0278