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 5990-01-093-1877
NSN 5965-01-068-6696
NSN 5905-01-600-8050
NSN 6150-01-032-5026
NSN 5945-00-357-8646
NSN 6320-01-228-2380
NSN 5975-01-283-4085
NSN 5910-01-427-3819
NSN 2925-01-381-5307
NSN 6610-00-180-9062
NSN 6610-01-339-1595
NSN 6150-01-369-1612