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 5855-00-451-6155
NSN 4140-00-552-7370
NSN 6110-01-220-5888
NSN 6135-01-603-8367
NSN 5945-01-169-3568
NSN 6145-01-286-6193
NSN 6145-01-400-1030
NSN 6145-01-501-6174
NSN 5990-00-900-4459
NSN 5935-01-132-0298
NSN 6130-00-469-0640
NSN 5985-01-398-0246