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 5920-00-276-3403
NSN 2925-01-422-1542
NSN 6320-01-397-0399
NSN 5925-00-173-4422
NSN 6620-01-270-3302
NSN 6650-01-027-1181
NSN 5855-00-361-0167
NSN 5910-01-461-1780
NSN 5945-01-090-0890
NSN 6685-01-218-8199
NSN 6145-01-471-6362
NSN 4140-01-592-4133