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 6135-01-159-9705
NSN 5985-01-032-4612
NSN 6240-01-466-4227
NSN 5905-01-168-0735
NSN 6220-01-241-2029
NSN 5930-01-658-5311
NSN 5950-01-145-1754
NSN 2925-00-383-3523
NSN 6685-01-182-6079
NSN 5990-01-027-0568
NSN 6110-01-392-9565
NSN 6240-01-444-2227