The Padlock, cataloged under National Stock Number 5340-01-657-3759, 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 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-657-3759 |
| Primary Part Number | 410BLK |
| Item Name | Padlock |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Master Lock Company Llc |
| Status | ACTIVE |
| Shackle Clearance | 1.500 INCHES NOMINAL IN |
| Key Change Quantity | 1 |
| Color | BLACK |
| Material | PLASTIC BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PLO-410 BLACK | Total Lockout (safety) Ltd (GBR) |
| 410BLK | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
| 410BLK PRIMARY | Master Lock Company Llc (USA) |
| 910193 | Rsea Pty Ltd (AUS) |
NSN 5340-01-657-3759 is a Padlock, manufactured by Master Lock Company Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-657-3759 has 4 manufacturer part numbers on file: PLO-410 BLACK (Total Lockout (safety) Ltd), 410BLK (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), 410BLK (Master Lock Company Llc), 910193 (Rsea Pty Ltd).
Key specifications for 410BLK: Shackle Clearance: 1.500 INCHES NOMINAL IN; Key Change Quantity: 1; Overall Width: 1.500 INCHES NOMINAL IN; Color: BLACK. 4 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.