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 6105-01-291-1829
NSN 5920-00-407-7652
NSN 6620-00-578-5851
NSN 6240-01-325-3544
NSN 6620-00-391-0374
NSN 6320-00-116-3658
NSN 6650-01-076-3922
NSN 5965-01-367-7380
NSN 5835-00-198-4936
NSN 6145-01-489-1003
NSN 5925-00-461-1512
NSN 5835-01-589-4735