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 5920-00-970-8419
NSN 4140-01-602-9257
NSN 5895-00-225-5926
NSN 5915-01-137-6440
NSN 6220-01-618-7446
NSN 4140-01-470-1246
NSN 6110-01-435-1675
NSN 6110-01-618-2490
NSN 5965-01-461-7195
NSN 5965-01-282-6085
NSN 5925-01-388-3325
NSN 6105-01-173-6972