The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-234-5853, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-234-5853 |
| Primary Part Number | 75A440552-2001 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Style Designator | BUTT PARALLEL HOLES |
| Mounting Hole Diameter | 0.190 INCHES NOMINAL IN |
| Pin Center to Body Edge Distance | 1.090 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 1.075 INCHES NOMINAL IN |
| Knuckle Quantity | 5 |
| Knuckle Length | 0.495 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 75A440552-2001 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A440552-2001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-234-5853 is a Leaf,butt Hinge, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-234-5853 has 1 manufacturer part number on file: 75A440552-2001 (The Boeing Company Div Defense).
Key specifications for 75A440552-2001: Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Style Designator: BUTT PARALLEL HOLES; Mounting Hole Diameter: 0.190 INCHES NOMINAL IN. 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.