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 4140-01-367-8058
NSN 5930-01-210-9176
NSN 6145-01-341-9056
NSN 5930-01-143-6278
NSN 5975-01-087-0319
NSN 5910-01-412-1780
NSN 5985-00-905-7167
NSN 6610-01-631-1184
NSN 5910-01-010-4386
NSN 6135-00-334-4500
NSN 6620-00-836-0399
NSN 5920-01-633-5287