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 6220-01-294-0764
NSN 2925-00-422-5159
NSN 6150-00-497-3710
NSN 5950-01-146-7860
NSN 6150-01-320-9783
NSN 5925-01-222-6183
NSN 6620-01-534-8677
NSN 6650-00-469-6682
NSN 5990-01-474-3477
NSN 6620-01-355-4339
NSN 6620-00-625-7248
NSN 5855-01-273-6132