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 6645-01-386-6311
NSN 5935-00-639-1382
NSN 5935-00-860-3864
NSN 4140-01-523-7095
NSN 2925-01-541-7217
NSN 2925-01-236-3547
NSN 5975-00-740-8367
NSN 5925-01-556-0173
NSN 5945-01-651-8654
NSN 5996-01-331-5631
NSN 6110-01-323-5273
NSN 5915-01-210-9132