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 5996-01-571-4532
NSN 4140-00-361-4691
NSN 5915-01-151-4237
NSN 5925-01-498-9992
NSN 2925-00-519-5292
NSN 5935-01-200-7423
NSN 5915-01-423-4642
NSN 5855-01-415-9822
NSN 5905-00-636-9999
NSN 6150-00-580-0511
NSN 6145-01-054-7463
NSN 5920-00-422-0757