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 2925-01-463-8856
NSN 6320-01-033-6624
NSN 6145-01-484-8735
NSN 6220-01-085-4947
NSN 7035-01-150-6303
NSN 5915-01-652-1173
NSN 6645-00-986-1110
NSN 5998-01-517-3062
NSN 5835-01-351-8429
NSN 6135-01-556-7318
NSN 6150-01-032-4556
NSN 2925-01-363-1805