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 6610-00-673-1258
NSN 2925-01-556-0333
NSN 5895-00-001-7072
NSN 6240-00-578-6763
NSN 5945-00-227-7303
NSN 5925-00-529-0441
NSN 6130-01-286-9580
NSN 5925-01-540-3872
NSN 5915-00-114-2661
NSN 5985-00-115-2071
NSN 6610-00-209-4372
NSN 5965-00-836-2690