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 5920-01-651-5136
NSN 5998-01-463-2776
NSN 5915-01-180-2870
NSN 6645-00-629-9367
NSN 5935-01-551-9626
NSN 5925-00-027-6353
NSN 5960-00-171-9575
NSN 6135-01-035-1871
NSN 6150-00-132-1640
NSN 5930-00-679-9942
NSN 5990-01-188-7309
NSN 2925-00-334-9524