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 6145-00-351-4539
NSN 5915-01-195-4608
NSN 4140-01-495-1466
NSN 5930-01-181-5372
NSN 5925-00-576-8179
NSN 6110-00-271-9928
NSN 6620-01-519-2628
NSN 5975-00-894-0315
NSN 5965-01-440-1213
NSN 5945-01-060-5791
NSN 6620-01-337-8308
NSN 5985-00-419-8705