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 6685-01-113-8005
NSN 5999-01-227-5689
NSN 5990-00-722-1854
NSN 5996-00-601-0472
NSN 6110-01-008-9760
NSN 2925-01-446-6523
NSN 6145-01-451-4304
NSN 5960-01-375-6815
NSN 6320-01-046-5228
NSN 4140-00-501-7833
NSN 5920-01-281-7354
NSN 6135-01-472-9011