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 6130-00-103-4791
NSN 4140-01-170-4479
NSN 6240-00-107-8192
NSN 5965-01-252-8701
NSN 5965-01-072-3156
NSN 6645-00-287-9192
NSN 5920-01-218-7859
NSN 5975-01-451-4415
NSN 6620-01-376-9182
NSN 6320-01-631-7828
NSN 5998-01-571-7349
NSN 6105-01-065-2439