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 6645-01-296-4223
NSN 2925-01-280-1911
NSN 6110-01-463-8392
NSN 5999-01-103-0783
NSN 6145-01-649-6317
NSN 4140-01-384-6051
NSN 6145-00-313-9429
NSN 6240-00-781-9899
NSN 5996-01-452-9489
NSN 5910-01-328-8539
NSN 6105-00-812-8170
NSN 5920-01-567-0620