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 5915-00-578-1446
NSN 5915-00-235-3273
NSN 6220-01-381-1793
NSN 5925-01-529-6371
NSN 6105-00-856-8709
NSN 5855-01-197-2774
NSN 4140-01-189-7899
NSN 2925-01-554-5246
NSN 5990-01-510-4699
NSN 5985-01-120-2337
NSN 5990-01-411-5930
NSN 5975-01-416-5911