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 5998-01-631-8527
NSN 6150-01-234-1617
NSN 5835-01-381-9565
NSN 6650-01-290-1029
NSN 5996-00-597-2234
NSN 6135-01-316-9794
NSN 5855-00-688-9954
NSN 5985-01-314-3490
NSN 5998-01-605-5965
NSN 5945-01-006-0056
NSN 2925-01-420-2362
NSN 5855-00-436-3852