Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P38-12.3 found under Pin Shoulder Headless by Val Matic Valve And Manufacturing. The National Stock Number assigned to this part is 5315016053258, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P38-12.3.