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 5925-00-580-0869
NSN 4140-01-304-2950
NSN 6685-00-155-4301
NSN 6645-01-502-3068
NSN 6685-00-883-4608
NSN 5945-00-962-8602
NSN 6145-01-503-3246
NSN 5960-01-309-5933
NSN 5990-01-388-9264
NSN 5945-01-094-2221
NSN 5925-00-220-6841
NSN 5915-00-887-0188