The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series.
You can order a full size interchangeable core with a Falcon tailpiece installed for use in the Falcon T and RU locks. To find the FSIC and tailpiece assembly part number use Table 1. Pick the Schlage full size core you need and the the Falcon T and RU function to locate the correct part number. These items are not listed in the price book and are available only through the RFQ process.
| Schlage Full Size Interchangeable Core | ||||
| 23-030, Conventional core | 23-031, Conventional
core less logo | 20-740, Primus core | 20-741, Primus core less logo | |
| Falcon T and RU Function | Schlage core with tailpiece part number | |||
| All (Except 381 Inside and 571) | XQ12-108 | XQ12-111 | XQ12-114 | XQ12-117 |
| 381 Inside | XQ12-109 | XQ12-112 | XQ12-115 | XQ12-118 |
| 571 | XQ12-110 | XQ12-113 | XQ12-116 | XQ12-119 |
Table 1: Schlage part numbers for FSIC assembled with Falcon tailpiece for Falcon T and RU locks.

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