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 2925-01-180-2960
NSN 6320-00-483-0451
NSN 5855-01-312-5160
NSN 5965-00-482-7945
NSN 5895-00-708-9703
NSN 5975-01-423-0447
NSN 5855-01-177-4751
NSN 5935-00-957-1323
NSN 5998-00-596-7177
NSN 5910-00-249-9467
NSN 5990-01-471-7858
NSN 5910-00-028-4323