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 5930-01-272-4267
NSN 5905-01-425-2290
NSN 5935-01-146-0945
NSN 5975-01-510-6348
NSN 5996-00-761-9608
NSN 6620-00-278-7313
NSN 5965-00-762-0630
NSN 4140-01-497-7412
NSN 5905-00-058-8638
NSN 5925-00-127-4248
NSN 5999-00-451-5225
NSN 6220-01-450-1253