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 6220-01-280-9742
NSN 6220-01-044-3378
NSN 6685-00-469-4520
NSN 5855-01-432-2487
NSN 5835-01-187-8986
NSN 6105-01-442-0649
NSN 6135-01-633-8502
NSN 5999-00-303-0346
NSN 6240-01-591-1047
NSN 6130-01-188-8842
NSN 6135-01-641-8640
NSN 6650-01-089-8890