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 5998-01-418-1057
NSN 5999-01-014-5981
NSN 5920-00-434-4230
NSN 6110-01-160-7706
NSN 2925-01-514-6301
NSN 6645-01-400-1383
NSN 6110-00-827-0086
NSN 6650-01-144-3577
NSN 6320-01-140-9343
NSN 5975-01-025-3209
NSN 6685-00-295-0824
NSN 5905-01-342-8889