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 5950-00-161-3044
NSN 6130-01-076-7058
NSN 6220-01-432-7629
NSN 7035-00-185-8683
NSN 5925-01-187-6123
NSN 6150-00-003-0399
NSN 5999-01-503-0456
NSN 6685-01-172-5482
NSN 5950-00-229-2656
NSN 5855-00-337-3679
NSN 4140-01-075-0419
NSN 6145-01-175-5988