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 5925-01-018-4262
NSN 6650-00-754-2276
NSN 5990-00-593-5089
NSN 6135-00-334-4500
NSN 4140-00-686-0839
NSN 6685-01-555-3596
NSN 6610-00-456-0485
NSN 6610-01-570-6070
NSN 5999-01-574-7371
NSN 6150-01-261-0094
NSN 4140-00-783-4228
NSN 5920-01-554-9804