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 5999-00-535-3410
NSN 5999-01-248-2960
NSN 5835-01-027-1828
NSN 5965-01-485-3167
NSN 6110-00-409-1115
NSN 7035-01-158-7673
NSN 6220-01-549-0259
NSN 5996-00-368-9244
NSN 5999-01-227-0283
NSN 5996-00-456-0895
NSN 5945-01-131-6396
NSN 5960-00-289-6591