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 5965-00-247-4886
NSN 6685-01-025-9821
NSN 6320-01-406-6098
NSN 5975-01-528-1002
NSN 5975-01-533-6987
NSN 6105-01-180-7066
NSN 5925-00-118-8059
NSN 5905-01-215-1896
NSN 5925-01-040-0438
NSN 5985-00-004-5980
NSN 4140-00-010-1267
NSN 6105-00-060-6458