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 6645-00-979-0039
NSN 4140-01-370-5609
NSN 5935-01-359-3015
NSN 6685-00-447-6436
NSN 5960-01-111-9918
NSN 5905-01-491-4321
NSN 5985-01-422-0534
NSN 5905-01-246-9951
NSN 5835-01-531-0379
NSN 5930-00-264-6334
NSN 2925-01-058-1718
NSN 5855-01-203-4719