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 5855-01-241-1054
NSN 6320-00-313-9114
NSN 5915-00-394-6523
NSN 5975-01-034-8983
NSN 6145-00-814-5312
NSN 4140-00-839-4911
NSN 6220-01-324-4689
NSN 5915-01-633-9845
NSN 5920-00-094-0655
NSN 5985-01-064-9333
NSN 2925-01-482-8202
NSN 6110-00-951-9824