5310-01-148-8214 (2480780)
NSN 5310-01-148-8214 (NIIN 01-148-8214) is a round plain nut in Federal Supply Class 5310, Nuts And Washers — a nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions. Manufacturer part number 2480780 (Navair And Navsea Managed Original, CAGE 10001).
Key specs: 36 to 42 rockwell c hardness; full characteristics table below. NIIN assigned March 1983; DEMIL A (none required); unit of issue EA (each), $79.99 gov standard price.