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 5985-01-303-3525
NSN 5996-00-337-8603
NSN 5905-01-114-6987
NSN 2925-01-333-6346
NSN 6620-01-385-6172
NSN 7035-00-973-3331
NSN 7035-01-579-9214
NSN 5895-01-014-5458
NSN 6135-01-554-4281
NSN 5905-01-502-5577
NSN 6620-01-520-3640
NSN 5855-01-625-9668