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 5998-01-555-8489
NSN 6620-00-959-6614
NSN 5960-01-389-9941
NSN 5950-00-199-8929
NSN 6685-01-359-5732
NSN 6685-01-442-2757
NSN 5945-01-234-8056
NSN 5999-01-217-8812
NSN 6610-01-152-2821
NSN 6610-00-144-7036
NSN 6620-01-372-4168
NSN 6645-01-594-1439