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 5960-01-512-0233
NSN 5925-00-208-5637
NSN 2925-01-422-1542
NSN 6685-01-005-0325
NSN 4140-01-318-1197
NSN 6240-00-136-2602
NSN 5895-01-412-7740
NSN 5925-01-621-0684
NSN 5905-01-607-0534
NSN 2925-00-194-7407
NSN 5910-00-143-0851
NSN 5965-00-096-7370