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 5999-01-284-4039
NSN 5990-00-351-5479
NSN 6220-00-224-5402
NSN 5999-00-078-7702
NSN 6130-01-094-7070
NSN 5945-01-060-9058
NSN 5915-00-254-9989
NSN 6145-01-147-6298
NSN 5915-01-025-6169
NSN 6645-01-451-1295
NSN 6135-01-377-5729
NSN 5990-01-340-1306