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 6240-01-477-5323
NSN 6645-01-415-2296
NSN 5915-00-187-8881
NSN 6105-01-255-9067
NSN 6220-00-818-6478
NSN 5915-00-197-8601
NSN 5920-00-573-7512
NSN 5945-01-379-4999
NSN 6240-01-068-5961
NSN 5935-00-050-7936
NSN 6145-00-023-9688
NSN 2925-00-001-4604