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 6110-01-381-1269
NSN 6645-01-298-8837
NSN 6135-01-442-4581
NSN 6620-01-420-6831
NSN 5895-00-529-7547
NSN 5985-00-118-7985
NSN 5975-01-465-5957
NSN 6650-00-488-6305
NSN 5835-01-509-8992
NSN 6620-01-068-4498
NSN 5935-01-187-0152
NSN 5990-01-128-3758