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 6645-01-261-0056
NSN 6610-01-298-2649
NSN 5920-00-365-4589
NSN 5996-00-191-2133
NSN 7035-01-442-5737
NSN 2925-01-371-6853
NSN 5915-00-099-0347
NSN 5925-01-150-8127
NSN 5855-01-631-4331
NSN 2925-01-407-4958
NSN 2925-00-365-3289
NSN 6220-00-834-1852