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 5996-00-887-6767
NSN 5990-01-140-5497
NSN 7035-00-616-4410
NSN 6135-00-985-7846
NSN 5999-01-122-3961
NSN 5835-01-338-5176
NSN 5925-01-391-8077
NSN 5920-01-007-6165
NSN 5855-00-055-1579
NSN 5835-01-386-4027
NSN 5905-01-401-5325
NSN 6220-00-110-4540