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 4140-00-927-4328
NSN 6685-01-525-6935
NSN 6135-01-466-3604
NSN 5950-00-512-0165
NSN 5935-01-352-4935
NSN 5975-01-388-2153
NSN 5996-00-251-5351
NSN 6620-01-378-9193
NSN 5990-01-462-6961
NSN 6130-01-288-2491
NSN 5925-01-413-5686
NSN 6620-01-283-6961