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 6685-01-213-3183
NSN 6150-01-364-8688
NSN 5990-00-288-1820
NSN 5895-01-360-0477
NSN 5915-00-960-4786
NSN 5925-00-597-1558
NSN 6220-01-575-5265
NSN 5925-00-243-1654
NSN 6220-00-631-2772
NSN 5996-01-609-0779
NSN 6685-00-679-9965
NSN 6105-01-394-5721