3040-00-388-9574 (8020871)
NSN 3040-00-388-9574 (NIIN 00-388-9574) is a shaft collar in Federal Supply Class 3040, Miscellaneous Power Transmission Equipment — an item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. Manufacturer part number 8020871 (Us Army Aviation And Missile Command, CAGE 18876).
NIIN assigned January 1963; DEMIL A (none required).