The ILCO 1646R key blank is a high-quality, precision-machined blank used for duplicating keys to mailboxes, cluster box units (CBUs), and USPS-approved locking systems. Made in the USA from nickel-plated brass, this blank delivers clean cutting, excellent durability, and compatibility with a wide range of mail and parcel lock systems. It’s a go-to solution for locksmiths and property maintenance professionals.
🔑 Key Features:
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Part Number: ILCO 1646R
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Material: Nickel-plated brass
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Finish: Corrosion-resistant and smooth
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Pack Size: 10 uncut key blanks
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Made In: USA
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Use Case: Mailbox and post office box key duplication
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Note: Key must be cut using a standard duplication machine
🔁 Manufacturer Cross-References:
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Jet: D4301
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JMA: NTC-14, NTC14
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Original: D4301
🏢 Compatible With Products By:
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USPS
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Auth Florence
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Bommer
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CBU (Cluster Box Units)
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CompX
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National Lock Company (NCL)
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Salsbury
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Vital
📬 Supported Key Code Ranges:
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2000PS–2999PS
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4000PS–4999PS
⚠️ Important Notes:
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Includes 10 uncut key blanks
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Not precut – confirm groove pattern before cutting
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Use real-size key drawings to match properly

$13.00 USD
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WELL TRUSTEDOver 100k customers
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SUPER FASTWith Express delivery
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EXPERT HELPSeven days a week
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BEST PRICESUnbeatable value