The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-556-7069, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-556-7069 |
| Primary Part Number | 4-24357-4 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.182 INCHES NOMINAL IN |
| Style Designator | BUTT PARALLEL HOLES |
| Material Document and Classification | MIL-S-6758,COMPOSITION 4130,CONDITION F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 1.630 INCHES MINIMUM AND 1.670 INCHES MAXIMUM IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 1.200 INCHES NOMINAL IN |
| Knuckle Quantity | 7 |
| Knuckle Length | 0.391 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 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 |
|---|---|
| 4-24357-4 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4-24357-4 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 4-24357-4 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5340-00-556-7069 is a Leaf,butt Hinge, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-556-7069 has 1 manufacturer part number on file: 4-24357-4 (Northrop Grumman Systems Corporation).
Key specifications for 4-24357-4: Mounting Hole Quantity: 5; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.182 INCHES NOMINAL IN; Style Designator: BUTT PARALLEL HOLES. 15 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.