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 5960-01-491-2993
NSN 7035-00-919-3381
NSN 6220-01-125-5131
NSN 5985-00-301-3814
NSN 6685-01-095-8223
NSN 7035-01-307-5366
NSN 5915-01-308-2662
NSN 5925-00-166-2993
NSN 2925-01-520-4194
NSN 5985-01-029-9184
NSN 6320-01-320-3305
NSN 6620-01-534-2370