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 5925-00-420-1386
NSN 6220-01-361-9765
NSN 6110-00-146-2114
NSN 5905-01-344-3217
NSN 5835-01-442-6482
NSN 5960-01-297-2665
NSN 6610-01-508-6272
NSN 5945-01-218-0804
NSN 5990-01-101-7602
NSN 5855-00-631-4565
NSN 5990-01-644-3095
NSN 6150-00-166-9044