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 5925-00-142-9991
NSN 2925-01-442-7812
NSN 5930-01-202-8174
NSN 6620-00-485-4136
NSN 6645-01-042-4220
NSN 6150-00-554-3362
NSN 5950-01-620-9003
NSN 6220-00-121-1885
NSN 5998-01-186-0389
NSN 5855-00-198-3197
NSN 6150-00-137-7068
NSN 6150-00-018-6939