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 5990-01-100-1840
NSN 5910-01-285-2470
NSN 6645-01-180-6219
NSN 6135-01-441-5746
NSN 5945-00-840-5418
NSN 5950-01-239-1949
NSN 5915-01-593-5146
NSN 6135-01-056-4609
NSN 6610-01-219-6836
NSN 6320-00-894-1644
NSN 5999-01-660-2615
NSN 5925-00-480-4636