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 6620-00-858-7317
NSN 5945-01-643-7358
NSN 5975-01-411-5626
NSN 5915-01-504-2312
NSN 5910-01-562-7849
NSN 6685-01-401-5360
NSN 7035-01-088-6415
NSN 6145-00-988-6906
NSN 6620-00-188-4201
NSN 5925-01-142-7775
NSN 2925-01-208-6638
NSN 6220-01-641-2370