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 4140-01-377-5825
NSN 6320-00-218-6105
NSN 5985-01-509-9734
NSN 5905-00-734-6386
NSN 6610-00-200-8832
NSN 6130-01-476-9714
NSN 6320-00-313-9114
NSN 4140-01-368-7097
NSN 6110-01-323-8337
NSN 5835-00-233-6327
NSN 5996-00-779-8349
NSN 6220-00-920-8225