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 6135-01-142-6456
NSN 5925-00-435-3849
NSN 5930-01-290-8999
NSN 6650-00-401-0982
NSN 5895-00-393-2512
NSN 5975-00-847-8850
NSN 6130-01-425-1977
NSN 6620-01-562-3862
NSN 5910-01-357-6484
NSN 5990-01-364-1942
NSN 5950-00-006-5820
NSN 6620-00-941-0537