Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 112-187-1PC2 found under Valve Safety Relief by Struthers Wells Corp. The National Stock Number assigned to this part is 4820003007830, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 112-187-1PC2.