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 5999-01-529-8676
NSN 5965-01-229-8721
NSN 5985-00-753-1397
NSN 6240-01-586-7621
NSN 6145-00-166-7950
NSN 5905-00-113-1301
NSN 5925-00-009-9818
NSN 5910-01-555-7751
NSN 6645-01-354-3362
NSN 5915-00-225-6867
NSN 6645-01-518-1107
NSN 6650-00-826-7396