Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 332 .50 IN ITEM 10 found under O Ring by Anvil Industries Inc. The National Stock Number assigned to this part is 5331013348462, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 332 .50 IN ITEM 10.