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 6135-01-395-2388
NSN 6145-01-302-4477
NSN 7035-00-463-7143
NSN 6320-01-176-8367
NSN 4140-01-394-8081
NSN 6685-01-330-7330
NSN 5925-01-641-6392
NSN 5930-00-145-5613
NSN 5999-01-175-3561
NSN 5960-00-007-4179
NSN 5925-01-553-7528
NSN 5905-01-426-3663