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 6650-01-131-0323
NSN 5915-01-041-8314
NSN 6320-01-249-3236
NSN 6105-01-164-2120
NSN 6650-01-457-0980
NSN 5905-01-573-7663
NSN 6145-01-350-3532
NSN 5990-00-269-2226
NSN 5985-01-236-0263
NSN 6645-01-593-5290
NSN 5925-01-067-8301
NSN 5930-01-266-3199