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 5945-01-220-4969
NSN 5960-00-228-5985
NSN 6320-00-036-3688
NSN 6645-00-527-7258
NSN 6650-00-135-7484
NSN 5985-01-615-1602
NSN 6650-01-548-8500
NSN 5920-00-964-2318
NSN 5965-01-041-8139
NSN 5915-01-327-3617
NSN 7035-00-153-3826
NSN 7035-00-088-7355