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 5910-00-993-4029
NSN 5950-01-192-6195
NSN 5905-00-922-7220
NSN 5920-00-276-3403
NSN 6645-01-443-4854
NSN 5905-01-272-9789
NSN 6105-01-334-0698
NSN 6145-00-188-3657
NSN 5935-01-501-0210
NSN 5855-00-688-9954
NSN 5925-00-173-5873
NSN 5998-01-437-8445