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 6110-01-233-9116
NSN 6135-01-450-3781
NSN 6220-00-915-7731
NSN 5895-00-169-7912
NSN 5945-01-392-1068
NSN 5990-01-019-6609
NSN 6135-01-463-2445
NSN 5999-01-377-2387
NSN 6620-00-561-9380
NSN 6685-00-570-0095
NSN 5895-01-113-7224
NSN 6610-01-067-6591