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 5925-00-343-6747
NSN 5960-00-372-4876
NSN 5945-00-923-4291
NSN 6105-00-126-7727
NSN 5975-01-056-2698
NSN 6145-01-407-0289
NSN 4140-01-417-2611
NSN 7035-00-421-8710
NSN 6130-01-583-3213
NSN 5985-00-984-8760
NSN 5920-00-928-6721
NSN 6220-01-295-7415