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 5999-00-521-3408
NSN 6135-00-050-7189
NSN 5930-01-338-5494
NSN 5990-01-538-6115
NSN 5985-01-534-6291
NSN 5910-01-174-6715
NSN 6320-01-137-4714
NSN 5985-01-548-8911
NSN 5999-01-143-5895
NSN 5855-01-562-6560
NSN 6685-00-283-2282
NSN 5920-01-619-7253