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 5985-01-330-2848
NSN 5920-01-318-6649
NSN 2925-00-143-5859
NSN 5975-01-428-9118
NSN 6620-00-526-8722
NSN 5925-00-144-0482
NSN 6645-00-918-3785
NSN 5990-00-902-0986
NSN 2925-01-316-7487
NSN 5915-01-398-9831
NSN 5930-01-416-7757
NSN 5950-01-322-1375