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 5990-00-888-7761
NSN 5945-01-021-6714
NSN 6135-00-299-6918
NSN 6685-01-510-9575
NSN 5985-01-398-5487
NSN 5945-00-051-0684
NSN 5915-00-878-9381
NSN 5996-00-989-1008
NSN 5945-01-558-6093
NSN 6220-01-553-0601
NSN 6645-01-187-3704
NSN 6240-00-059-7099