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 5915-01-397-4030
NSN 5925-01-653-8035
NSN 6685-00-632-0299
NSN 5905-00-554-4325
NSN 5835-00-998-2151
NSN 6610-01-659-3277
NSN 6645-00-176-5589
NSN 6130-00-992-2294
NSN 6145-01-082-1404
NSN 5999-01-100-0921
NSN 5920-01-039-8099
NSN 6105-00-059-9166