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 6240-01-350-3533
NSN 4140-00-316-5383
NSN 5855-00-151-3853
NSN 4140-01-623-5384
NSN 6610-01-198-3862
NSN 6130-01-236-6319
NSN 5999-00-112-0511
NSN 6220-01-584-2756
NSN 5925-01-446-1967
NSN 6145-00-960-7318
NSN 6220-01-328-7523
NSN 5950-01-036-6019