The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-125-5953, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Alarin Aircraft Hinge, Inc. Dba Alarin Aircraft Hinge Inc Div Alarin Aircraft Hinge. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-125-5953 |
| Primary Part Number | 338737-9R |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Alarin Aircraft Hinge, Inc. Dba Alarin Aircraft Hinge Inc Div Alarin Aircraft Hinge |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.094 INCHES NOMINAL IN |
| Style Designator | BUTT BLANK |
| Pin Center to Body Edge Distance | 0.906 INCHES NOMINAL IN |
| Hinge Mounting Type | FULL SURFACE |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Knuckle Quantity | 36 |
| Knuckle Length | 0.625 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 338737-9R | Alarin Aircraft Hinge, Inc. Dba Alarin Aircraft Hinge Inc Div Alarin Aircraft Hinge (USA) |
| 338737-9R | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA) |
| Reference | Meaning |
|---|---|
| 338737-9R | 5/9 Secondary reference Lockheed Martin Services, Llc |
| 338737-9R | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-125-5953 is a Leaf,butt Hinge, manufactured by Alarin Aircraft Hinge, Inc. Dba Alarin Aircraft Hinge Inc Div Alarin Aircraft Hinge, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-125-5953 has 2 manufacturer part numbers on file: 338737-9R (Alarin Aircraft Hinge, Inc. Dba Alarin Aircraft Hinge Inc Div Alarin Aircraft Hinge), 338737-9R (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)).
Key specifications for 338737-9R: Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.094 INCHES NOMINAL IN; Style Designator: BUTT BLANK; Overall Length: 44.688 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.