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 5905-00-496-5526
NSN 5910-00-795-9655
NSN 6320-01-541-7585
NSN 6320-01-462-2295
NSN 4140-00-343-2121
NSN 6130-00-113-8291
NSN 5990-00-965-0495
NSN 6145-01-423-8470
NSN 6110-01-274-5830
NSN 5905-01-326-8571
NSN 6130-00-615-9250
NSN 6105-01-104-3489