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 6130-00-890-3841
NSN 5965-00-953-0072
NSN 4140-01-478-2409
NSN 6145-01-187-7682
NSN 5915-00-595-8090
NSN 6135-01-477-5259
NSN 5985-01-574-5189
NSN 5950-01-534-3026
NSN 6135-01-027-7543
NSN 6150-01-272-4036
NSN 5945-01-313-4403
NSN 6610-00-458-1790