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 6685-01-537-3081
NSN 5990-01-116-2181
NSN 6685-00-663-9000
NSN 6320-00-456-2092
NSN 6650-01-513-0493
NSN 5910-00-069-6112
NSN 5945-00-075-6873
NSN 5905-00-155-1880
NSN 5965-00-578-1438
NSN 5945-01-032-5449
NSN 6145-01-181-5776
NSN 2925-01-607-7754