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 6150-00-075-4965
NSN 5985-01-104-0977
NSN 6135-00-985-7846
NSN 6110-01-555-8410
NSN 5996-01-104-4161
NSN 6645-01-100-3296
NSN 5965-01-073-6047
NSN 4140-00-163-2868
NSN 5996-01-607-5845
NSN 5915-00-520-9679
NSN 5910-00-884-5267
NSN 5985-01-250-0894