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 2925-01-327-3069
NSN 5975-00-170-3623
NSN 5935-01-097-7126
NSN 5925-01-177-9077
NSN 5935-00-122-7833
NSN 6320-01-397-9995
NSN 7035-01-119-2234
NSN 5965-00-764-1841
NSN 6110-00-068-4518
NSN 6220-01-123-1353
NSN 6150-01-328-8460
NSN 5855-00-951-6483