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 6645-00-825-5677
NSN 5855-00-401-3442
NSN 6150-01-627-4528
NSN 5999-00-639-3447
NSN 6220-00-858-4831
NSN 6645-01-521-4383
NSN 7035-01-532-2184
NSN 6135-01-190-2628
NSN 6645-00-251-0688
NSN 6645-00-342-5956
NSN 5920-01-033-8532
NSN 6150-00-936-5387