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 5985-01-383-2040
NSN 5990-01-571-7468
NSN 6150-00-707-8804
NSN 6320-01-039-5891
NSN 6150-00-727-8380
NSN 5985-00-375-1837
NSN 7035-01-449-1189
NSN 5910-01-192-7973
NSN 5915-01-010-3866
NSN 6110-00-813-2328
NSN 6645-00-966-7794
NSN 5925-01-596-2796