The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-019-8020, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Aircraft of Canada Limited. Government technical data includes 13 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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-019-8020 |
| Primary Part Number | C4W1319-1 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Mounting Hole Quantity | 21 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.156 INCHES NOMINAL IN |
| Style Designator | BUTT PARALLEL HOLES |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Pin Center to Body Edge Distance | 1.000 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.100 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.083 INCHES NOMINAL IN |
| Knuckle Quantity | 19 |
| Knuckle Length | 0.576 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY OVERALL |
| Knuckle Type | FRICTION |
| 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 |
|---|---|
| C4W1319-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 5340-00-019-8020 is a Leaf,butt Hinge, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-019-8020 has 1 manufacturer part number on file: C4W1319-1 (De Havilland Aircraft of Canada Limited).
Key specifications for C4W1319-1: Mounting Hole Quantity: 21; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.156 INCHES NOMINAL IN; Style Designator: BUTT PARALLEL HOLES. 13 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.