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 5915-01-611-3552
NSN 6130-01-322-8507
NSN 5895-01-454-6962
NSN 6685-00-859-1362
NSN 6220-01-109-7379
NSN 6110-00-322-0854
NSN 5960-01-173-7956
NSN 6150-01-020-8424
NSN 5925-01-540-0927
NSN 6685-00-515-3991
NSN 6105-01-551-1696
NSN 5965-00-275-0491