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 5975-01-333-9015
NSN 6320-01-442-3428
NSN 2925-01-027-1293
NSN 2925-01-454-2046
NSN 6320-00-831-2227
NSN 6150-01-065-9672
NSN 6240-01-547-2026
NSN 5910-01-485-1034
NSN 6240-01-044-0073
NSN 6105-00-323-2160
NSN 5930-01-352-5428
NSN 5999-01-233-2066