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 5835-01-392-7683
NSN 5835-01-475-5714
NSN 6150-01-318-8244
NSN 5999-01-506-3252
NSN 6620-01-250-1692
NSN 5855-00-256-5562
NSN 6130-00-006-5377
NSN 5895-01-534-2506
NSN 7035-01-330-1146
NSN 4140-01-392-0495
NSN 6110-01-046-4244
NSN 5920-01-467-3246