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 5950-00-911-3453
NSN 5930-01-454-8920
NSN 2925-01-125-9169
NSN 5930-00-081-2238
NSN 5950-01-649-1289
NSN 5990-01-449-7090
NSN 5985-01-118-4784
NSN 6645-00-017-8252
NSN 6145-00-221-6528
NSN 6150-01-046-9800
NSN 5895-00-227-1002
NSN 6105-01-108-0291