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 6620-01-439-7218
NSN 5915-00-398-0677
NSN 5925-01-441-9512
NSN 6135-01-238-2878
NSN 5895-00-173-6021
NSN 6145-01-572-3865
NSN 5895-00-422-4239
NSN 5915-00-373-7775
NSN 6650-00-652-3553
NSN 2925-01-476-3224
NSN 6110-01-513-5417
NSN 5925-01-235-7813