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 6685-00-617-0503
NSN 5999-01-608-5272
NSN 6685-00-720-3525
NSN 6135-01-142-2417
NSN 5945-01-219-1965
NSN 6220-01-224-7614
NSN 5925-01-612-4141
NSN 7035-01-061-6424
NSN 5960-01-187-6706
NSN 5905-00-439-5808
NSN 5999-01-174-3490
NSN 6645-01-515-1978