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 5930-00-851-8306
NSN 6130-01-137-7997
NSN 5945-00-709-6226
NSN 2925-01-446-6976
NSN 6105-00-079-2409
NSN 6135-01-429-9029
NSN 6135-01-297-5565
NSN 6135-01-556-7318
NSN 6685-00-227-0212
NSN 5945-00-661-0506
NSN 5915-01-047-1654
NSN 4140-01-233-9662