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 6685-01-060-3179
NSN 4140-01-370-7943
NSN 5925-00-467-6213
NSN 2925-00-871-9240
NSN 5895-01-593-5395
NSN 5905-01-310-9230
NSN 5975-00-155-4181
NSN 6620-01-481-1358
NSN 6320-00-564-2772
NSN 6130-01-641-8505
NSN 5915-00-341-6505
NSN 5895-00-007-0603