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 5990-00-513-5328
NSN 5920-00-051-0204
NSN 7035-01-334-5855
NSN 6620-01-525-5914
NSN 5950-00-170-6790
NSN 6150-00-794-8714
NSN 4140-01-411-1699
NSN 5996-00-995-5704
NSN 5935-01-551-4489
NSN 5965-01-510-6380
NSN 5855-00-928-1912
NSN 5925-01-079-7296