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 5996-01-537-2457
NSN 2925-01-445-4095
NSN 6150-00-164-8900
NSN 5965-01-087-6217
NSN 5925-01-471-4202
NSN 5975-00-631-0120
NSN 5910-00-137-7254
NSN 5910-01-406-1467
NSN 5990-01-287-9447
NSN 6130-01-457-5131
NSN 7035-01-357-1251
NSN 5960-01-205-0386