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 5985-00-661-2263
NSN 5920-01-176-5426
NSN 6220-01-289-4284
NSN 6610-00-918-3389
NSN 6135-00-299-6918
NSN 6685-01-300-1760
NSN 6110-01-227-2617
NSN 5925-01-102-6486
NSN 5950-01-603-0101
NSN 4140-01-209-4215
NSN 5975-01-304-3887
NSN 6130-00-854-4490