Part number K199 appears under 3 stock numbers

Manufacturers reuse part numbers across items. Each stock number below is its own federal item record — pick the one your drawing or solicitation cites.

8475-01-289-2830 — PAD,FITTING,HELMET,SPECIALIZED · FSC 8475
1680-01-181-1363 — MODIFICATION KIT,AIRCRAFT COMPON · FSC 1680
5999-01-677-7575 — HEAT SINK,ELECTRICAL-ELECTRONIC · FSC 5999