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 6610-00-614-7943
NSN 4140-00-575-4084
NSN 6220-01-061-6953
NSN 5925-00-510-6922
NSN 7035-00-529-3128
NSN 5915-01-355-7537
NSN 5930-01-108-2355
NSN 5945-00-627-0514
NSN 6320-00-925-0558
NSN 6220-01-519-9305
NSN 2925-00-928-5931
NSN 4140-00-245-0799