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 5960-00-839-8137
NSN 6320-00-456-0836
NSN 5920-01-400-2558
NSN 5915-01-110-5976
NSN 6645-00-287-9192
NSN 5965-01-111-0983
NSN 7035-01-392-9838
NSN 2925-01-218-5556
NSN 5895-01-090-8810
NSN 4140-01-059-8730
NSN 6645-01-440-3518
NSN 5975-00-379-2388