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 4140-00-919-8823
NSN 5985-00-529-0093
NSN 6220-00-115-5842
NSN 6620-01-457-9476
NSN 6145-00-409-6844
NSN 6105-01-588-9836
NSN 5999-01-047-8220
NSN 5855-01-191-3404
NSN 5920-00-569-6435
NSN 6240-01-425-8815
NSN 6645-01-328-4020
NSN 6685-01-457-0956