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 5915-01-242-1203
NSN 6145-01-039-2568
NSN 5915-00-735-5195
NSN 5905-00-430-0462
NSN 2925-00-132-1280
NSN 6145-01-089-9879
NSN 6645-01-580-3258
NSN 6110-01-146-1540
NSN 5965-01-050-0689
NSN 5915-01-519-2234
NSN 5998-01-297-7764
NSN 6145-00-811-8138