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 6645-01-144-8627
NSN 5905-01-288-0715
NSN 6135-00-782-0930
NSN 6650-01-306-8352
NSN 6150-01-555-6893
NSN 2925-01-442-7812
NSN 7035-00-703-3535
NSN 5855-00-361-0167
NSN 5915-01-659-5345
NSN 6645-01-390-0020
NSN 5835-01-580-0446
NSN 5835-00-193-8951