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 6145-00-261-8202
NSN 5925-00-452-1270
NSN 6620-01-254-3609
NSN 5965-01-483-1610
NSN 6220-01-187-4260
NSN 6135-00-816-9052
NSN 5999-01-646-1858
NSN 5920-00-149-0013
NSN 5910-01-631-8786
NSN 6620-00-064-3598
NSN 2925-00-442-6702
NSN 6150-01-123-5417