The Lock Set,mortise, cataloged under National Stock Number 5340-00-680-8909, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Yale Security Inc. Dba Norton Door Control. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-680-8909 |
| Primary Part Number | 315MK |
| Item Name | Lock Set,mortise |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Yale Security Inc. Dba Norton Door Control |
| Status | ACTIVE |
| Locking Mechanism Type | PIN TUMBLER |
| Length | 4.000 INCHES NOMINAL IN |
| Face Shape | FLAT |
| Design Type | DEAD BOLT |
| Key Change Quantity | 250 |
| Shape | RECTANGULAR CASE |
| Features Provided | STRIKE AND THUMB PIECE AND SCREW |
| Bolt Type | UNIVERSAL |
| Height | 2.500 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL BAKED CASE |
| Width | 1.063 INCHES NOMINAL IN |
| Material | IRON CASE |
| Operation Method | OUTSIDE KEY AND INSIDE THUMBPIECE DOOR PULL |
| Thickness | 1.375 INCHES NOMINAL OVERALL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 315MK PRIMARY | Yale Security Inc. Dba Norton Door Control (USA) |
NSN 5340-00-680-8909 is a Lock Set,mortise, manufactured by Yale Security Inc. Dba Norton Door Control, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-680-8909 has 1 manufacturer part number on file: 315MK (Yale Security Inc. Dba Norton Door Control).
Key specifications for 315MK: Locking Mechanism Type: PIN TUMBLER; Length: 4.000 INCHES NOMINAL IN; Face Shape: FLAT; Design Type: DEAD BOLT. 14 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.