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 6135-01-597-7685
NSN 6620-01-285-4685
NSN 5920-00-917-6586
NSN 5855-01-027-1571
NSN 6130-01-341-4317
NSN 5910-00-379-2349
NSN 6645-01-297-2081
NSN 6645-01-345-3409
NSN 4140-00-960-8222
NSN 5985-01-166-1905
NSN 7035-01-463-9855
NSN 5910-00-017-0153