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 5910-01-423-7233
NSN 6650-00-316-4889
NSN 6110-01-530-3056
NSN 6645-00-591-8036
NSN 5996-01-476-1126
NSN 5915-01-510-9763
NSN 2925-01-322-9780
NSN 5965-01-126-7500
NSN 5975-00-925-1197
NSN 5930-00-813-3398
NSN 6130-01-121-8067
NSN 6685-00-612-6610