The Lock Set,mortise, cataloged under National Stock Number 5340-01-306-9992, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Simplex Access Controls Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-306-9992 |
| Primary Part Number | 1021B0341 |
| Item Name | Lock Set,mortise |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Simplex Access Controls Corp |
| Status | ACTIVE |
| Design Type | COMBINATION |
| 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 | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 1000-2BUS3 | Simplex Access Controls Corp (USA) |
| 1021-BUS3-41 | Simplex Access Controls Corp (USA) |
| 1021B0341 PRIMARY | Simplex Access Controls Corp (USA) |
| 1021B26D41 | Independent Hardware Inc (USA) |
| Reference | Meaning |
|---|---|
| 1000-2B | 5/9 Secondary reference Simplex Access Controls Corp |
NSN 5340-01-306-9992 is a Lock Set,mortise, manufactured by Simplex Access Controls Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-306-9992 has 4 manufacturer part numbers on file: 1000-2BUS3 (Simplex Access Controls Corp), 1021-BUS3-41 (Simplex Access Controls Corp), 1021B0341 (Simplex Access Controls Corp), 1021B26D41 (Independent Hardware Inc).
Key specifications for 1021B0341: Design Type: COMBINATION; Special Features: FIVE BUTTONS; Thickness: 1.375 INCHES NOMINAL OVERALL IN. 2 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.