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 5910-00-037-7550
NSN 5975-01-008-2164
NSN 6320-01-319-3584
NSN 6110-01-578-5595
NSN 5925-00-311-2341
NSN 6110-01-025-6139
NSN 5935-00-929-6123
NSN 5895-01-224-6974
NSN 5960-01-226-0342
NSN 5905-01-647-9743
NSN 5999-00-984-7696
NSN 5999-01-528-2350