The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-149-6844, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 11 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 | 5340-00-149-6844 |
| Primary Part Number | 137659-2 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.130 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Material Document and Classification | UMINUM ALLOY,QQ-A-225/8,ALLOY 6061 COMMERCIAL ITEM DESCRIPTION 9TH MATERIAL RESPONSE OVERALL |
| Pin Center to Body Edge Distance | 1.125 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.064 INCHES NOMINAL IN |
| Knuckle Quantity | 8 |
| End Knuckle Length | 0.625 INCHES NOMINAL IN |
| Knuckle Length | 0.620 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Knuckle Type | FRICTION |
| 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 |
|---|---|
| 137659-2 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5340-00-149-6844 is a Leaf,butt Hinge, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-149-6844 has 1 manufacturer part number on file: 137659-2 (Northrop Grumman Systems Corporation).
Key specifications for 137659-2: Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.130 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN; Material Document and Classification: UMINUM ALLOY,QQ-A-225/8,ALLOY 6061 COMMERCIAL ITEM DESCRIPTION 9TH MATERIAL RESPONSE OVERALL; Overall Length: 18.125 INCHES NOMINAL IN. 11 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.