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 6320-01-652-3806
NSN 6135-01-051-7836
NSN 6320-01-607-1491
NSN 5925-01-044-3604
NSN 6320-00-186-6452
NSN 5855-01-013-6864
NSN 6685-01-128-4709
NSN 5975-00-064-0321
NSN 6220-01-469-6213
NSN 5855-01-259-0151
NSN 5930-01-559-5407
NSN 6110-00-525-3418