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 6240-01-057-1716
NSN 6145-01-005-1374
NSN 5905-01-073-6991
NSN 6130-00-431-8804
NSN 5985-01-474-9203
NSN 6135-00-862-2921
NSN 6150-01-130-7212
NSN 5960-01-064-0319
NSN 5945-01-352-5114
NSN 5990-01-608-3505
NSN 6220-00-406-5045
NSN 5895-01-131-6155