The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-081-5402, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-081-5402 |
| Primary Part Number | C4W1320-2 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Mounting Hole Quantity | 76 |
| Reversible Feature | NOT INCLUDED |
| Supplementary Features | LEADING EDGE,WING,OUTBOARD,DE-ICER,RIGHT HAND,1560-00-476-2888 |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Pin Center to Body Edge Distance | 0.900 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Knuckle Quantity | 71 |
| Knuckle Length | 0.576 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| 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 |
|---|---|
| C4W1320-2 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
| Reference | Meaning |
|---|---|
| T.O.1C-7A-4 FIG 266 ITEM 36B | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-081-5402 is a Leaf,butt Hinge, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-081-5402 has 1 manufacturer part number on file: C4W1320-2 (De Havilland Aircraft of Canada Limited).
1 possible match (shared part number, not a government interchangeability claim): 5340-00-086-7515. Verify interchangeability with system specifications before substitution.
Key specifications for C4W1320-2: Mounting Hole Quantity: 76; Reversible Feature: NOT INCLUDED; Supplementary Features: LEADING EDGE,WING,OUTBOARD,DE-ICER,RIGHT HAND,1560-00-476-2888; Mounting Hole Diameter: 0.125 INCHES NOMINAL IN. 12 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.