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 6240-01-331-5246
NSN 5835-01-621-2525
NSN 6220-00-113-3166
NSN 5990-00-116-6590
NSN 5985-01-003-0633
NSN 6220-01-193-4960
NSN 7035-00-915-5798
NSN 6145-00-236-0012
NSN 6685-01-359-7400
NSN 6110-01-393-6192
NSN 5835-00-887-6420
NSN 6610-01-368-3269