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 6135-01-459-6424
NSN 5990-01-625-0855
NSN 6145-01-465-5533
NSN 2925-01-285-7163
NSN 5855-01-400-1590
NSN 6130-01-227-8408
NSN 6240-01-320-9026
NSN 5990-00-922-7317
NSN 5950-00-170-8477
NSN 5920-00-613-3116
NSN 5996-01-359-4222
NSN 5915-00-794-9148