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 6105-00-542-7948
NSN 6240-00-541-7032
NSN 5915-01-170-6753
NSN 6320-01-578-6006
NSN 5950-01-208-8912
NSN 5945-00-113-8329
NSN 5925-00-456-0651
NSN 6145-01-412-0926
NSN 6240-01-110-4166
NSN 7035-00-054-3414
NSN 6135-01-633-8502
NSN 5855-01-411-3360