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 5975-01-419-3070
NSN 5925-00-580-0869
NSN 5915-00-309-0514
NSN 5905-01-514-7349
NSN 6320-01-362-9518
NSN 5920-01-619-7253
NSN 7035-00-455-7666
NSN 5950-01-418-0266
NSN 4140-01-207-8528
NSN 6620-01-170-8270
NSN 6685-01-611-4766
NSN 6145-01-349-7756