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 5998-00-463-5303
NSN 6645-01-432-0052
NSN 5835-01-264-8006
NSN 6685-01-276-3027
NSN 5945-00-115-0664
NSN 6135-01-477-5259
NSN 5990-00-694-4086
NSN 6685-00-281-9148
NSN 5960-01-430-3911
NSN 6240-01-646-7098
NSN 5895-00-472-9829
NSN 6110-01-322-8376