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 6150-00-334-0331
NSN 5999-00-398-1583
NSN 5935-01-025-9189
NSN 5915-00-689-6757
NSN 6150-00-338-7354
NSN 6645-01-641-4998
NSN 6240-01-032-6598
NSN 4140-01-318-4363
NSN 5945-00-581-3938
NSN 4140-01-208-8964
NSN 2925-01-517-8544
NSN 5945-00-351-9677