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 5855-00-288-1408
NSN 5915-01-400-6125
NSN 5835-01-512-4834
NSN 5835-01-478-0157
NSN 5935-00-814-9328
NSN 6320-00-809-5744
NSN 5925-01-266-1093
NSN 6320-01-571-8974
NSN 5996-00-646-5310
NSN 6620-01-068-0046
NSN 7035-01-255-2332
NSN 6220-01-411-6542