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 6610-01-318-1840
NSN 6240-00-411-1140
NSN 5835-00-269-2232
NSN 5835-00-165-3069
NSN 5935-01-555-8281
NSN 5999-00-203-1202
NSN 5950-00-198-5947
NSN 5999-01-512-0020
NSN 4140-01-069-4576
NSN 5910-00-107-4725
NSN 5855-00-288-1408
NSN 5950-01-167-5970