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 6620-01-633-8443
NSN 5835-01-378-6804
NSN 5975-01-516-1210
NSN 5996-00-067-8864
NSN 5996-01-406-4035
NSN 6645-01-541-5524
NSN 6135-01-026-9960
NSN 5975-01-006-7080
NSN 5855-00-688-9954
NSN 5996-00-583-9498
NSN 5915-00-934-3446
NSN 5905-01-608-5709