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 6135-01-386-5709
NSN 5910-01-206-6416
NSN 2925-01-263-9433
NSN 5915-00-342-9261
NSN 6110-00-305-2838
NSN 6645-00-583-0066
NSN 5945-01-442-4371
NSN 5999-01-400-3590
NSN 5910-00-276-8592
NSN 5925-01-510-0381
NSN 5985-00-473-2161
NSN 7035-01-555-1088