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 6105-00-079-0863
NSN 5985-00-494-0812
NSN 5935-01-608-4355
NSN 4140-01-029-4211
NSN 5935-01-046-8631
NSN 5920-01-537-2284
NSN 6130-01-332-6082
NSN 5925-01-396-1584
NSN 7035-01-061-6424
NSN 6145-00-729-9051
NSN 6620-01-530-1229
NSN 4140-01-499-8777