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 6620-01-633-8443
NSN 5985-01-163-0323
NSN 6685-00-951-7142
NSN 6130-00-712-8546
NSN 5945-00-722-9695
NSN 5855-01-212-5007
NSN 5915-01-415-7240
NSN 6685-01-511-1660
NSN 6645-01-425-2330
NSN 5965-00-106-3195
NSN 6105-00-969-0290
NSN 5920-01-146-4503