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 6240-01-549-3531
NSN 5990-01-529-8433
NSN 5905-01-091-6898
NSN 5990-01-546-1649
NSN 5985-01-270-9023
NSN 5925-01-052-3345
NSN 5935-00-648-3298
NSN 5999-00-065-6764
NSN 6240-01-226-8866
NSN 6220-00-919-8172
NSN 5935-00-058-9272
NSN 5996-00-740-8315