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 5855-00-361-0167
NSN 5895-00-301-4871
NSN 6150-00-413-2496
NSN 5996-01-104-4161
NSN 5985-01-223-9030
NSN 5960-00-594-0824
NSN 5975-01-375-4808
NSN 6150-01-021-2678
NSN 5975-01-571-7912
NSN 6220-01-073-9518
NSN 6620-00-580-3499
NSN 6110-01-222-0767