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 4140-00-784-7960
NSN 6135-01-215-1245
NSN 5930-00-695-9233
NSN 6105-00-387-3762
NSN 5990-00-003-0569
NSN 6105-01-408-8932
NSN 6320-00-108-7049
NSN 6105-01-064-4335
NSN 5935-01-458-3549
NSN 5950-00-598-9791
NSN 5930-00-119-7328
NSN 5975-01-397-5192