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 5920-00-900-9255
NSN 6145-01-352-6459
NSN 5960-01-078-5594
NSN 5998-00-927-8010
NSN 5905-01-071-6121
NSN 6645-01-550-9669
NSN 6650-01-285-5856
NSN 2925-00-233-5644
NSN 6620-01-320-7656
NSN 5905-00-804-1905
NSN 6685-01-421-1113
NSN 6110-01-064-1044