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 6135-00-170-8819
NSN 5895-01-558-9840
NSN 5835-00-907-4390
NSN 6645-00-652-6723
NSN 2925-00-660-8131
NSN 5930-01-175-0907
NSN 6220-01-282-3550
NSN 6610-00-848-4764
NSN 5999-01-517-9332
NSN 5905-00-293-8294
NSN 4140-00-617-0984
NSN 5920-01-503-6448