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 6620-01-350-0323
NSN 5990-01-644-3095
NSN 6650-00-035-9297
NSN 5990-00-767-0893
NSN 6685-00-453-0178
NSN 5960-00-165-1015
NSN 6220-01-050-8923
NSN 5950-01-646-2964
NSN 4140-00-771-4160
NSN 5998-01-090-2653
NSN 6645-00-359-5463
NSN 4140-01-297-6490