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 5920-01-063-7427
NSN 5998-01-467-8601
NSN 6645-01-140-8204
NSN 6645-00-143-1567
NSN 6220-00-075-6425
NSN 5945-00-964-7760
NSN 6645-00-905-7258
NSN 6105-00-199-8808
NSN 6135-01-440-9412
NSN 5950-01-362-9307
NSN 7035-01-287-9817
NSN 6105-00-760-5607