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 6685-01-616-0437
NSN 2925-01-364-7926
NSN 6130-01-351-8246
NSN 6685-00-249-7668
NSN 5905-01-595-2544
NSN 6610-01-291-4173
NSN 6610-01-007-0268
NSN 6650-00-061-2232
NSN 6610-00-442-6834
NSN 6130-01-514-8693
NSN 5990-00-083-8893
NSN 4140-00-133-7986