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 5855-00-185-1560
NSN 5935-01-094-7409
NSN 5905-01-633-7258
NSN 4140-00-500-2718
NSN 6685-00-184-3894
NSN 5990-00-079-0932
NSN 6150-01-493-2505
NSN 5835-01-485-0210
NSN 5925-01-541-2363
NSN 6145-00-017-9707
NSN 5905-01-147-5889
NSN 6685-01-149-2843