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 5960-00-034-5144
NSN 6220-00-617-9616
NSN 5996-01-476-7550
NSN 6220-00-951-0878
NSN 5999-01-323-5807
NSN 6650-00-170-5095
NSN 6645-01-188-5237
NSN 5985-01-603-2183
NSN 5935-01-259-7992
NSN 6650-00-520-5785
NSN 6145-01-137-4473
NSN 6105-01-243-6998