The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-280-9471, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-280-9471 |
| Primary Part Number | 70550-01126-107 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Style Designator | BUTT BLANK |
| Pin Center to Body Edge Distance | 0.492 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.051 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE BODY |
| Material | ALUMINUM ALLOY 5052 BODY |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 PIN |
| 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 |
|---|---|
| 70550-01126-107 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5340-01-280-9471 is a Leaf,butt Hinge, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-280-9471 has 1 manufacturer part number on file: 70550-01126-107 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70550-01126-107: Reversible Feature: NOT INCLUDED; Style Designator: BUTT BLANK; Overall Length: 20.500 INCHES NOMINAL IN; Pin Center to Body Edge Distance: 0.492 INCHES MINIMUM AND 0.508 INCHES MAXIMUM 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.