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 5930-00-570-5243
NSN 5925-01-568-6571
NSN 6110-00-337-8037
NSN 5999-01-107-7419
NSN 5996-01-330-6047
NSN 5985-01-382-9220
NSN 6150-00-966-4972
NSN 5996-01-575-5349
NSN 5935-00-161-3429
NSN 5996-01-141-6916
NSN 6685-01-519-7498
NSN 6145-00-055-9731