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 5915-01-534-7614
NSN 2925-00-480-9068
NSN 5950-00-755-9638
NSN 6685-01-490-3505
NSN 6610-01-493-3010
NSN 5915-01-080-4393
NSN 6240-01-619-0531
NSN 6145-01-461-8996
NSN 6150-01-399-4126
NSN 5925-01-460-3584
NSN 5999-01-209-3686
NSN 6110-01-021-6712