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 5996-01-118-9475
NSN 6620-01-651-5425
NSN 5925-01-353-9106
NSN 5855-01-068-3683
NSN 7035-00-782-7046
NSN 5855-00-797-8217
NSN 5945-01-277-5487
NSN 4140-00-523-0410
NSN 6240-01-201-5958
NSN 4140-01-605-1706
NSN 2925-01-327-3069
NSN 6240-01-064-9727