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 5930-01-422-1093
NSN 5895-01-131-2666
NSN 5905-00-372-5214
NSN 6130-01-204-7778
NSN 5945-00-541-7833
NSN 6650-00-063-4484
NSN 6130-01-227-0435
NSN 5965-00-923-6824
NSN 5855-00-079-2370
NSN 5895-00-861-0413
NSN 5950-00-817-7911
NSN 5975-01-216-3401