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 5985-01-652-4397
NSN 2925-01-439-4451
NSN 6110-01-041-1631
NSN 6145-01-613-7549
NSN 5999-01-398-0077
NSN 5925-01-476-7536
NSN 5930-00-064-9025
NSN 5925-01-086-7424
NSN 6685-01-615-2398
NSN 5950-01-594-2401
NSN 5920-01-227-9097
NSN 5990-00-221-0878