The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-815-0635, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-815-0635 |
| Primary Part Number | 1280403-1 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.215 INCHES NOMINAL IN |
| Style Designator | BUTT PARALLEL HOLES |
| Mounting Hole Diameter | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 1.937 INCHES NOMINAL IN |
| Hinge Mounting Type | FULL SURFACE |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.312 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.812 INCHES NOMINAL IN |
| Knuckle Quantity | 2 |
| Knuckle Length | 0.234 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
NSN 5340-00-815-0635 is a Leaf,butt Hinge, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-815-0635 has 2 manufacturer part numbers on file: 1280403-1 (Honeywell Intl Inc Defense Avionics Systems), 9053511 (Us Army Aviation and Missile Command).
Key specifications for 1280403-1: Mounting Hole Quantity: 4; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.215 INCHES NOMINAL IN; Style Designator: BUTT PARALLEL HOLES. 16 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.