The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-775-8805, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Aircraft Hinge, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-775-8805 |
| Primary Part Number | 4F55657-102A |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Aircraft Hinge, Inc. |
| Status | ACTIVE |
| Mounting Hole Quantity | 19 |
| Knuckle Inside Diameter | 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Style Designator | BUTT PARALLEL HOLES |
| Pin Center to Body Edge Distance | 1.065 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.078 INCHES NOMINAL IN |
| Knuckle Quantity | 42 |
| Knuckle Length | 0.600 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4F55657-102A | Aircraft Hinge, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4F55657-102A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-775-8805 is a Leaf,butt Hinge, manufactured by Aircraft Hinge, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-775-8805 has 1 manufacturer part number on file: 4F55657-102A (Aircraft Hinge, Inc.).
Key specifications for 4F55657-102A: Mounting Hole Quantity: 19; Knuckle Inside Diameter: 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Style Designator: BUTT PARALLEL HOLES; Overall Length: 42.600 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.