4920-01-069-8254 (10138015)
NSN 4920-01-069-8254 (NIIN 01-069-8254) is a piston assembly lock ring in Federal Supply Class 4920, Aircraft Maintenance And Repair Shop Specialized Equipment. Manufacturer part number 10138015 (Nimikkeistokeskus Ncb Finland, CAGE A486G); also referenced as T71557 (Goodrich Corporation).
NIIN assigned December 1978; DEMIL Q (Commerce Control List); unit of issue EA (each), $954.05 gov standard price.