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 5930-01-290-4786
NSN 6620-01-181-1757
NSN 6610-01-259-1718
NSN 6240-00-467-6099
NSN 5925-01-004-9293
NSN 5925-00-250-8143
NSN 6135-01-281-4758
NSN 5910-00-912-0010
NSN 6320-00-456-0836
NSN 7035-01-318-6578
NSN 6650-00-161-8183
NSN 5905-01-479-6372