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 5999-00-180-4282
NSN 5835-00-415-6421
NSN 5925-01-304-9489
NSN 6135-00-613-1068
NSN 5945-01-186-4619
NSN 5905-01-372-3650
NSN 5895-01-378-8686
NSN 5990-00-548-6163
NSN 5985-00-483-4400
NSN 6145-00-878-2899
NSN 6150-01-487-4017
NSN 5985-01-236-2751