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 6110-01-567-3272
NSN 6130-01-504-1569
NSN 5945-00-722-4907
NSN 5960-00-187-0429
NSN 6620-01-460-9201
NSN 6645-00-183-8812
NSN 7035-01-083-0282
NSN 5910-01-429-0156
NSN 5905-00-113-5161
NSN 5945-00-973-3137
NSN 6620-01-146-4680
NSN 6320-00-393-0138