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 6645-01-139-0156
NSN 5925-00-773-6385
NSN 6620-00-529-6275
NSN 5935-00-637-2643
NSN 5910-00-227-9795
NSN 5960-00-959-5226
NSN 5960-01-471-4263
NSN 6685-01-422-1571
NSN 6685-01-391-4402
NSN 5895-01-015-8982
NSN 5960-00-188-6977
NSN 6320-01-096-6649