The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-042-2640, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 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 | 5340-01-042-2640 |
| Primary Part Number | 68A321117-2016 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Hole Quantity | 10 |
| Reversible Feature | NOT INCLUDED |
| Style Designator | BUTT PARALLEL HOLES |
| Mounting Hole Diameter | 0.191 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Hinge Mounting Type | HALF MORTISE |
| Hinge Pin | NOT INCLUDED |
| Center to Center Distance Between Mounting Holes Along Length | 1.780 INCHES NOMINAL IN |
| Knuckle Quantity | 12 |
| Knuckle Length | 0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN |
| Knuckle Type | FRICTION |
| Performance Type | NOT RATED |
| 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 |
|---|---|
| 68A321117-2016 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5340-01-042-2640 is a Leaf,butt Hinge, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-042-2640 has 1 manufacturer part number on file: 68A321117-2016 (The Boeing Company Div Defense).
Key specifications for 68A321117-2016: Mounting Hole Quantity: 10; Reversible Feature: NOT INCLUDED; Style Designator: BUTT PARALLEL HOLES; Mounting Hole Diameter: 0.191 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN. 11 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.