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 5915-00-804-3026
NSN 5950-01-467-0394
NSN 6145-01-331-1656
NSN 2925-01-597-7531
NSN 6145-00-457-6114
NSN 6320-01-267-7990
NSN 5998-00-107-2419
NSN 5999-01-480-1397
NSN 5915-00-774-3000
NSN 5935-00-575-7725
NSN 5965-00-764-1841
NSN 5925-01-417-1244