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 5990-00-932-3070
NSN 6220-01-013-4559
NSN 5920-00-324-2315
NSN 6645-00-522-4173
NSN 6685-01-318-5996
NSN 5999-00-452-2558
NSN 6135-00-461-3590
NSN 7035-01-027-8569
NSN 5945-00-473-3369
NSN 5999-01-076-4206
NSN 5925-01-442-3792
NSN 5835-01-534-3172