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 5935-00-582-1455
NSN 6220-01-641-4384
NSN 5855-00-288-1408
NSN 6220-01-543-6324
NSN 5945-00-888-1601
NSN 6650-00-647-1085
NSN 6130-00-740-3884
NSN 6110-01-303-8236
NSN 5855-01-634-0259
NSN 4140-00-269-1672
NSN 6110-01-491-6704
NSN 5855-00-256-5562