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 5999-00-931-1271
NSN 6320-00-456-0836
NSN 5960-01-285-2152
NSN 6130-01-634-0603
NSN 2925-00-404-6461
NSN 5996-01-158-5197
NSN 5930-00-065-8978
NSN 5960-01-184-3436
NSN 5855-00-357-1158
NSN 6150-01-005-0150
NSN 6130-00-567-9424
NSN 6685-00-027-0555