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 5990-00-557-7443
NSN 5915-00-203-5860
NSN 5990-01-221-0609
NSN 6105-01-152-5987
NSN 6150-01-485-4379
NSN 5935-00-348-4318
NSN 5996-01-386-1279
NSN 5925-01-381-2528
NSN 6150-00-476-9993
NSN 6240-00-146-9322
NSN 5905-01-602-0277
NSN 5935-01-470-7151