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 5998-01-390-0218
NSN 6320-00-242-3300
NSN 5835-01-580-0446
NSN 6685-01-019-0705
NSN 5930-01-444-3420
NSN 5930-00-945-0135
NSN 2925-01-577-0004
NSN 6610-01-521-9801
NSN 5945-01-591-9118
NSN 6610-01-482-8865
NSN 6320-00-242-3300
NSN 7035-01-166-2473