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 5920-00-816-7535
NSN 6145-00-423-1563
NSN 6220-00-272-7497
NSN 5905-00-150-1312
NSN 7035-01-657-5766
NSN 6685-01-453-2222
NSN 5996-01-064-6138
NSN 5998-00-816-9752
NSN 6105-00-106-6447
NSN 6645-01-538-9655
NSN 6620-01-231-4208
NSN 4140-00-679-9512