The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-345-4178, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-345-4178 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Hole Quantity | 8 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Style Designator | BUTT PARALLEL HOLES |
| Mounting Hole Diameter | 0.103 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 1.250 INCHES NOMINAL IN |
| Hinge Mounting Type | FULL SURFACE |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.655 INCHES NOMINAL IN |
| Knuckle Quantity | 8 |
| Knuckle Length | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 7075 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 |
| Reference | Meaning |
|---|---|
| 762654L | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-345-4178 is a Leaf,butt Hinge, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-345-4178: Mounting Hole Quantity: 8; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM 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.