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 6610-01-468-3025
NSN 6220-01-058-0058
NSN 5990-00-495-2859
NSN 5945-01-040-8981
NSN 6130-01-274-7677
NSN 5985-00-331-8887
NSN 6240-00-197-6819
NSN 5910-01-658-9709
NSN 6320-01-384-3850
NSN 6685-01-621-6622
NSN 5920-00-810-2713
NSN 5905-01-249-1173