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 5930-01-513-9261
NSN 6105-01-415-5555
NSN 6220-00-806-7666
NSN 6645-01-050-4048
NSN 6105-01-411-5380
NSN 6110-01-025-0086
NSN 5905-00-296-8763
NSN 5915-00-413-2395
NSN 6135-01-108-6057
NSN 5999-01-247-2846
NSN 6130-00-884-6161
NSN 5975-01-472-0454