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 5975-01-157-2421
NSN 6240-01-342-3274
NSN 5895-01-312-0112
NSN 6685-01-322-8516
NSN 5965-01-073-1014
NSN 6685-00-186-9190
NSN 6105-01-278-9220
NSN 5905-01-287-0720
NSN 5910-01-395-6716
NSN 6105-01-200-7572
NSN 5855-01-203-4719
NSN 5925-01-511-0220