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 4140-01-534-9987
NSN 5895-00-802-1575
NSN 5990-01-030-4062
NSN 5990-01-411-5930
NSN 5915-01-301-1541
NSN 5835-01-510-1873
NSN 6320-01-449-1014
NSN 5945-00-778-3033
NSN 5996-00-660-8461
NSN 2925-01-043-9786
NSN 6135-00-170-8819
NSN 5925-00-918-5531