The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-505-4012, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Logistic Services, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-505-4012 |
| Primary Part Number | 338661-4 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Logistic Services, Inc. |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.616 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 1.250 INCHES NOMINAL IN |
| Knuckle Quantity | 4 |
| Knuckle Length | 0.620 INCHES NOMINAL IN |
| Material | STEEL COMP 302 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 |
|---|---|
| 338661-4 | Lockheed Martin Logistic Services, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 338661-4 | 5/9 Secondary reference Lockheed Martin Services, Llc |
| 338661-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-505-4012 is a Leaf,butt Hinge, manufactured by Lockheed Martin Logistic Services, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-505-4012 has 1 manufacturer part number on file: 338661-4 (Lockheed Martin Logistic Services, Inc.).
Key specifications for 338661-4: Mounting Hole Quantity: 5; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.616 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN; Overall Length: 5.620 INCHES NOMINAL IN. 10 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.