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 6320-01-203-4303
NSN 5990-01-460-6390
NSN 5910-01-451-4292
NSN 5975-01-373-3981
NSN 5998-00-536-4873
NSN 6685-00-464-9356
NSN 6620-00-800-5579
NSN 5985-01-595-9310
NSN 5920-00-148-4622
NSN 5895-01-250-2813
NSN 5935-01-561-9688
NSN 6645-01-563-0441