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 5835-01-475-5714
NSN 4140-00-150-8265
NSN 5985-00-838-1363
NSN 5990-00-402-7721
NSN 5910-01-525-8184
NSN 5915-00-467-6796
NSN 6145-00-141-8095
NSN 6320-01-592-6248
NSN 6145-01-466-7637
NSN 6685-00-020-2976
NSN 5930-00-188-8695
NSN 5905-00-988-6159