Nissan 610 1973-1976 Key Codes

The Nissan 610 1973-1976 uses key code series M, with 6,000 documented codes spanning the range M1-M1000, M4001-M5000, M5001-M6000, M6001-M7000, M7001-M8000, N1001-N2000. Uses a 6-cut double-sided profile. Set the duplicator to flat-bottom cuts 0.1″ wide. Code is typically stamped on the original key bow or available via the VIN through the dealer. Bitting data verified as of May 6, 2026.

Code prefix
M
Code range
M1-M1000, M4001-M5000, M5001-M6000, M6001-M7000, M7001-M8000, N1001-N2000
Years
1973-1976
Total codes
6,000
Cuts per key
6
Last verified

Common questions

What key code series does the Nissan 610 1973-1976 use?
The Nissan 610 1973-1976 uses key code series M, with 6,000 documented codes ranging from M1-M1000, M4001-M5000, M5001-M6000, M6001-M7000, M7001-M8000, N1001-N2000.
How many cuts does a Nissan 610 1973-1976 key have?
6 cuts on a double-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.
When was the Nissan 610 1973-1976 key data last verified?
Bitting data for the Nissan 610 1973-1976 was last verified May 6, 2026. Verification timestamps are tracked per series, and updates appear here as locksmiths confirm code accuracy in the field.

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