The Hinge,butt, cataloged under National Stock Number 5340-01-562-0578, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 12 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-562-0578 |
| Primary Part Number | 258A677-1 |
| Item Name | Hinge,butt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Body Width | 1.500 INCHES NOMINAL IN |
| Style Designator | BUTT |
| Mounting Hole Diameter | 0.094 INCHES NOMINAL IN |
| Pin Center to Body Edge Distance | 0.500 INCHES NOMINAL IN |
| Material Thickness | 0.056 INCHES NOMINAL IN |
| Pin Removability | REMOVABLE |
| Knuckle Quantity | 5 |
| Material | UNABLE TO DECODE |
| Rising Pin | INCLUDED |
| 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 |
|---|---|
| 258A677-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5340-01-562-0578 is a Hinge,butt, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-562-0578 has 1 manufacturer part number on file: 258A677-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 258A677-1: Reversible Feature: NOT INCLUDED; Body Width: 1.500 INCHES NOMINAL IN; Style Designator: BUTT; Mounting Hole Diameter: 0.094 INCHES NOMINAL IN. 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.