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Kaba Ilco 1010U Key Blank – Sargent 265U Keyway, 5-Pin Nickel-Plated Brass (S4)

The Kaba Ilco 1010U (EZ# S4) is a 5-pin, nickel-plated brass key blank for Sargent pin tumbler locks, directly equivalent to the Sargent OEM 265U blank. Sold in a master pack of 50, it is a go-to stock item for locksmiths and security hardware distributors serving commercial and residential accounts.
$2.60

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  • Description
  • Specifications

The Kaba Ilco 1010U is a professional-grade, uncut key blank manufactured to fit Sargent pin tumbler cylinders. Equivalent to the Sargent OEM blank 265U, it carries Ilco EZ designation S4 and is cross-referenced by all major key-blank suppliers — making it easy to source and verify across systems.

  • Keyway: Sargent (U-section, pin tumbler cylinder)
  • Pin Count: 5-pin
  • Material: Nickel-plated brass — durable, corrosion-resistant bright finish
  • OEM Equivalent: Sargent 265U
  • Ilco Part Numbers: 1010U / O1010 / EZ S4
  • Broad Cross-Reference: Also listed as S4 Curtis, S4 ESP, S4 Jet, S4 Cole Nat'l, S4 Jet Ditto, S4 Hillman, O50 Taylor, S44 Curtis, 5SA1 Star, A102 Keil, SAR42 Silca, SAR37 Silca
  • Master Pack Quantity: 50 blanks per box
  • Application: Suitable for residential and commercial Sargent locksets; compatible with standard key-cutting machines
Cross reference # S 4 Curtis, S4 ESP, S4 Ilco, S4 Jet, S4 Cole Nat'l, S4 Jet Ditto, S4 Hillman, O50 Taylor, S 44 Curtis, 5SA1 Star, A102 Keil, 265U Sargent, O1010 Ilco, SAR42 Silca, SAR37 Silca, 1010U Ilco
Keyway Sargent
Length 5 Pin
Manufacturer Kaba Ilco
Master pack qty 50
Material Nickel-Plated Brass