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 5998-00-835-7261
NSN 5910-01-310-4587
NSN 6135-01-010-0891
NSN 6320-01-176-8367
NSN 5965-01-160-9819
NSN 5915-01-467-9048
NSN 5990-00-106-6609
NSN 6135-00-577-8429
NSN 5910-01-524-4876
NSN 6610-01-555-8791
NSN 5920-00-166-8812
NSN 5998-00-285-8613