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 6220-00-617-9616
NSN 4140-00-942-7159
NSN 6645-01-500-0827
NSN 2925-01-149-2865
NSN 4140-01-244-0548
NSN 5965-00-506-9817
NSN 5985-01-159-1445
NSN 5915-01-361-1220
NSN 4140-01-398-9118
NSN 6645-00-933-2170
NSN 5910-01-460-0799
NSN 5925-01-115-9719