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 4140-01-536-8234
NSN 5930-01-377-4318
NSN 5925-01-617-5089
NSN 2925-01-288-2091
NSN 5960-00-841-9227
NSN 6145-01-587-1263
NSN 5965-01-354-1677
NSN 5965-01-438-0647
NSN 6645-00-759-3962
NSN 6135-00-885-6003
NSN 6130-01-472-1748
NSN 6220-01-252-8398