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 5945-00-648-0552
NSN 6240-01-561-9263
NSN 6145-00-110-9410
NSN 6645-01-227-2036
NSN 7035-01-391-7470
NSN 6650-01-112-0453
NSN 5999-01-180-6823
NSN 5915-00-997-5222
NSN 5895-00-823-1457
NSN 5965-01-035-6842
NSN 5998-01-394-3797
NSN 6130-01-272-1073