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 5915-00-520-3626
NSN 5965-00-340-6790
NSN 5835-00-198-4936
NSN 6110-01-535-6972
NSN 5996-01-612-3403
NSN 6150-01-469-6564
NSN 5835-01-580-0446
NSN 2925-00-909-2596
NSN 6220-01-263-3899
NSN 4140-01-442-3063
NSN 4140-01-515-2722
NSN 6685-01-358-1454