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 5910-01-138-5504
NSN 6220-00-861-4131
NSN 5925-00-336-1992
NSN 5910-00-578-8706
NSN 5990-01-421-5342
NSN 5965-01-535-0718
NSN 5925-01-519-9251
NSN 7035-01-083-0282
NSN 6145-01-542-0546
NSN 6610-01-261-6102
NSN 5996-01-021-9330
NSN 5855-00-361-0167