Sargent 01-1390 ¼-20 x 1¼ Machine Screw Flat Head Torx — Genuine OEM Replacement Part for Sargent Mortise Locks
The Sargent 01-1390 is a genuine OEM replacement fastener — a ¼-20 x 1¼ machine screw, flat head, Torx drive — designed specifically for use in Sargent 8200 Series and 7800 Series mortise locks. Also referenced simply as the 01-1390 MS Flt Torx, this small but critical hardware component ensures proper assembly integrity within Sargent’s institutional-grade mortise lock chassis. Using a genuine Sargent OEM fastener guarantees dimensional accuracy, thread specification compliance, and correct torque performance — all essential for maintaining the structural and operational integrity of a high-security mortise lock installation.
Institutional Grade Features & Benefits
- Genuine Sargent OEM Part: Sourced directly from Sargent’s manufacturing specifications, ensuring precise fit and correct function within the 8200 Series and 7800 Series mortise lock chassis — no guesswork, no aftermarket substitutions.
- Correct Thread Specification: ¼-20 unified coarse thread ensures full engagement and reliable clamping force within mortise lock components designed to that thread standard.
- Flat Head Torx Drive: The flat (countersunk) head profile allows the fastener to sit flush within recessed mounting surfaces, while the Torx drive pattern provides superior torque transfer and reduced cam-out compared to Phillips or slotted drives — important in commercial door hardware assembly and service.
- 1¼” Length: The 1¼-inch body length is matched to the specific mortise lock application for which this fastener is specified, ensuring proper thread engagement depth without over-penetration.
- Designed for Sargent 8200 & 7800 Series Mortise Locks: These are heavy-duty, commercial-grade mortise lock product lines widely specified in institutional, healthcare, educational, and government facilities — making reliable replacement parts essential for ongoing maintenance programs.
- Supports Preventive Maintenance & Field Service: Keeping genuine OEM fasteners like the 01-1390 on hand reduces lock-down time during scheduled maintenance or emergency service calls on Sargent mortise lock hardware.
Technical Details
| Feature | Details |
|---|---|
| Brand | Sargent |
| Part Number | 01-1390 |
| Part Type | Replacement Part (Machine Screw) |
| Screw Specification | ¼-20 x 1¼” |
| Head Style | Flat Head (Countersunk) |
| Drive Type | Torx |
| Thread | ¼-20 Unified Coarse (UNC) |
| Compatible Series | Sargent 8200 Series, Sargent 7800 Series |
| Product Class | Mortise Lock Replacement Part |
| OEM | Genuine Sargent OEM Component |
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or 612 - US10 Satin Bronze or 625 - US26 Polish Chrome |
| Brand | Sargent |
| Series | Sargent - 8200 Series |
| Part Type | Part |
| Thread Pattern | 1/4-20 |
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