The Padlock, cataloged under National Stock Number 5340-00-290-4670, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Master Lock Company Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-290-4670 |
| Primary Part Number | 517D |
| Item Name | Padlock |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Master Lock Company Llc |
| Status | ACTIVE |
| Shackle Clearance | 2.750 INCHES MINIMUM AND 5.375 INCHES MAXIMUM IN |
| Key Change Quantity | 36 |
| Operating Mechanism Type | LEVER TUMBLER |
| Surface Treatment | CADMIUM OVERALL |
| Shackle Diameter | 0.281 INCHES NOMINAL IN |
| Construction | LAMINATED |
| 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 |
|---|---|
| 517D | Master Lock Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 517 | 3/9 Design control — primary reference Master Lock Company Llc |
NSN 5340-00-290-4670 is a Padlock, manufactured by Master Lock Company Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-290-4670 has 1 manufacturer part number on file: 517D (Master Lock Company Llc).
Key specifications for 517D: Shackle Clearance: 2.750 INCHES MINIMUM AND 5.375 INCHES MAXIMUM IN; Key Change Quantity: 36; Operating Mechanism Type: LEVER TUMBLER; Overall Width: 1.750 INCHES NOMINAL IN. 6 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.