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 5990-00-246-2184
NSN 5975-01-502-7338
NSN 5990-01-472-2447
NSN 5945-01-432-2416
NSN 5905-00-456-0937
NSN 5985-00-272-7451
NSN 5985-00-291-9974
NSN 6610-00-783-8786
NSN 5975-01-212-2020
NSN 6135-01-545-6582
NSN 5950-01-634-0677
NSN 5960-01-284-1642