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Key Blank Applicability Breakdown
NA12 / 1069LB / Mail Box Key (Brass, ILCO Equivalent)
Use: Residential and commercial mailbox locks, cam locks, multi-unit mail clusters.
Common Brands: Hudson, ILCO, Lynx, and generic mailbox cam systems.
Not For: Door locks, padlocks, vehicle locks, or standard residential entry systems.
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KW1 (Kwikset 5-Pin Keyway)
Use: Standard residential 5-pin Kwikset locks.
Applications: Home doors, rental units, light commercial Kwikset systems.
Not For: 6-pin systems without modification, Schlage, Yale, Defiant, or vehicle locks.
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H51 (US Lock Keyway)
Use: US Lock branded cylinders, including many aftermarket and generic commercial lock installs.
Applications: Medium-duty commercial doors, storefronts, apartment entries using US Lock systems.
Not For: Kwikset, Schlage, Yale, padlocks, automotive.
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KW5 (Kwikset 6-Pin Keyway)
Use: 6-pin Kwikset high-security or extended systems.
Applications: Upgraded residential cylinders, commercial Kwikset installations requiring 6-pin depth.
Backwards Compatibility: Can be used in some 5-pin cores (with caution).
Not For: Schlage, Yale, or 5-pin only cores without proper pinning.
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Hillman Cassette G76
Use: Bulk-cassette retail key used in multi-brand generic lock systems.
Applications: Big-box hardware store duplicate systems covering broad generic cylinder designs.
Common Fit: Often compatible with mailbox, cabinet, and cam styles using small-format generic cylinders.
Not For: Residential deadbolts, commercial pinned cores, or automotive.
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Hudson H75 (HUD-1 / HU1 Equivalent)
Use: Hudson style cam locks and mailbox lock systems.
Applications: Filing cabinets, desk drawers, lockers, and postal-style mailbox locks.
Cross-Reference: HUD-1, HU-1 compatible.
Not For: Deadbolts, commercial door locks, automotive.
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Silca NE64 (Automotive)
Use: Automotive key blank for selected Nissan/Infiniti platforms (older models).
Applications: Ignition, door, trunk on compatible vehicles.
Note: No chip/transponder included; for older non-transponder systems or shell-replacement before programming.
Not For: Modern vehicles requiring chip/transponder or laser-cut high-security keys.
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Ilco 1127DU – H18 Ford Compatible
Use: Standard Ford H18 non-transponder automotive key.
Applications: Ignition, trunk, and doors on selected Ford, Lincoln, Mercury models.
Typical Use Case: Older fleets, budget replacements, and locksmiths prepping for programming upgrades.
Not For: High-security H75, Tibbe, transponder-equipped Ford systems.
