The Schlage 03-266-SPA is the OEM Sparta Lever designed for Corbin Russwin Full-Size Interchangeable Core (FSIC/LFIC) J-CO6 6-pin cores, for the Schlage AD Series, CO Series, ALX Series, ND Series, and NDE Series cylindrical locks, documented in five official Schlage Service Manuals including the NDE Series. Per the SecurityParts.com product page: "Accommodates a Corbin Russwin 6-pin LFIC (J-CO6) cylinder core insertion and transmits mechanical handle rotation to execute manual latch retraction." Standard non-tactile Sparta lever. Supplied less core. Non-handed. In stock.

Three Legacy Part Numbers Replaced by the 03-266-SPA

The 03-266-SPA replaces three legacy part numbers, as confirmed on the SecurityParts.com product page under "Original Part#."

• 03-066-SPA: Original part number for cylindrical lock outside trim applications using the Sparta Corbin Russwin J-CO6 lever.
• 09-366-SPA: Original part number for mortise lock trim applications. The 09 prefix in the legacy Schlage system identified mortise trim levers.
• 03-366-SPA: Original part number for exit device outside trim applications.

Any maintenance record or specification referencing these three legacy numbers maps to the 03-266-SPA as the current OEM replacement, regardless of whether the original installation was on a cylindrical lock, mortise lock, or exit device.

Standard vs Tactile: 03-266-SPA vs 03-266-8SP

The 03-266-SPA is the standard non-tactile Sparta Corbin Russwin J-CO6 lever. The 03-266-8SP is the tactile version with a built-in tactile safety grip on the handle. Both accept the Corbin Russwin J-CO6 6-pin FSIC core and supply less core. Key differences: the 03-266-SPA is In Stock with five Service Manuals including NDE, while the 03-266-8SP is Available (3-4 weeks) with four Service Manuals and no NDE coverage. Confirm the original installation specification before ordering to avoid installing a standard lever at a position that required the tactile designation.

Sparta Profile Within the 03-266 Corbin Russwin J-CO6 Standard Family

The 03-266-SPA joins the 03-266-ATH (Athens) and 03-266-RHO (Rhodes) as the three standard non-tactile levers in the 03-266 Corbin Russwin J-CO6 format. All three are In Stock at the same price, all ship less core, all carry three legacy part numbers covering cylindrical, mortise, and exit device applications, and all are documented in five Service Manuals including NDE Series. Per the FAQ: "It is designed for a Corbin Russwin Full-Size Interchangeable Core (FSIC) J-CO6." The only difference between them is the lever profile. The 03-266-SPA uses the Sparta design. When a building uses Sparta levers as its established standard and the installed core is a Corbin Russwin J-CO6 LFIC, the 03-266-SPA is the correct replacement.

Five-Series Coverage and Finishes

The 03-266-SPA is compatible with AD Series, CO Series, ALX Series, ND Series, and NDE Series locks configured for Corbin Russwin LFIC J-CO6 cores. Ten finishes are listed: 605 (Bright Brass), 606 (Satin Brass), 612 (Satin Bronze), 613 (Oil Rubbed Bronze), 619 (Satin Nickel), 622 (Powder-Coated Matte Black), 625 (Bright Chrome), 626 (Satin Chrome), 626AM (Satin Chrome Antimicrobial), and 643E (Aged Bronze). All finishes are currently not available. Finish must be specified at time of order. Contact SecurityParts.com for current finish availability. The Corbin Russwin J-CO6 FSIC core is not included.

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