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 5999-01-371-3169
NSN 6220-00-346-0738
NSN 5835-01-592-2350
NSN 6620-01-386-5914
NSN 5920-00-925-2639
NSN 5925-01-264-5080
NSN 5945-01-428-2903
NSN 5985-01-437-8863
NSN 5855-00-933-5026
NSN 6130-01-337-4596
NSN 6645-01-168-8465
NSN 5905-01-441-2449