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 5905-00-904-4412
NSN 5925-00-361-1943
NSN 6145-00-231-7719
NSN 5990-01-365-6016
NSN 5920-01-276-2282
NSN 5985-01-051-4069
NSN 5905-01-262-0854
NSN 2925-00-188-5003
NSN 6610-01-431-8575
NSN 5998-00-138-3278
NSN 5935-01-490-6719
NSN 6135-00-798-1425