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 6645-01-582-6688
NSN 6650-00-921-1037
NSN 5835-00-537-7780
NSN 5999-00-146-1247
NSN 6620-01-521-0580
NSN 5855-01-070-8084
NSN 5935-01-492-7026
NSN 5925-01-016-1146
NSN 5945-01-353-8622
NSN 6620-01-578-7561
NSN 5910-01-441-3060
NSN 5985-01-373-1553