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 6620-00-431-3837
NSN 5925-00-877-8066
NSN 5975-01-441-8872
NSN 5950-01-544-9065
NSN 5999-01-005-0321
NSN 5975-00-768-3570
NSN 5920-01-335-9527
NSN 6110-00-120-1215
NSN 5895-01-327-3000
NSN 6650-01-397-6325
NSN 5990-01-090-3232
NSN 4140-00-131-6486