The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-345-4172, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-345-4172 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Hole Quantity | 48 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Style Designator | BUTT PARALLEL HOLES |
| Hinge Pin | NOT INCLUDED |
| Knuckle Length | 0.605 INCHES NOMINAL IN |
| 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 |
| Reference | Meaning |
|---|---|
| 761649R | 5/9 Secondary reference Lockheed Martin Corp Lockheed Martin Aeronautical Systems Burbank Opns |
| 761649R | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-345-4172 is a Leaf,butt Hinge, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-345-4172: Mounting Hole Quantity: 48; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN; Style Designator: BUTT PARALLEL HOLES. 8 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.