The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-135-2566, 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 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-135-2566 |
| Primary Part Number | 74A733052-2004 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Reversible Feature | NOT INCLUDED |
| Style Designator | BUTT BLANK |
| Material Document and Classification | MIL-S-25043 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pin Center to Body Edge Distance | 1.080 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Knuckle Quantity | 2 |
| Knuckle Length | 0.480 INCHES NOMINAL IN |
| Material | STEEL COMP 631 OVERALL |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 74A733052-2004 PRIMARY | The Boeing Company Div Defense (USA) |
| 3930AS217-2 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 10112666 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-135-2566 is a Leaf,butt Hinge, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-135-2566 has 2 manufacturer part numbers on file: 74A733052-2004 (The Boeing Company Div Defense), 3930AS217-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 74A733052-2004: Mounting Hole Quantity: 2; Reversible Feature: NOT INCLUDED; Style Designator: BUTT BLANK; Material Document and Classification: MIL-S-25043 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.