The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-268-5740, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-268-5740 |
| Primary Part Number | 134C548H01 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.592 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN |
| Style Designator | BUTT PARRALLEL HOLES END KNUCKLES |
| Mounting Hole Diameter | 0.270 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 3.000 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 2.250 INCHES NOMINAL IN |
| Knuckle Quantity | 1 |
| Knuckle Length | 0.660 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 134C548H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 134C548H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-01-268-5740 is a Leaf,butt Hinge, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-268-5740 has 1 manufacturer part number on file: 134C548H01 (Northrop Grumman Support Services Corp).
Key specifications for 134C548H01: Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.592 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN; Style Designator: BUTT PARRALLEL HOLES END KNUCKLES; Mounting Hole Diameter: 0.270 INCHES MINIMUM AND 0.277 INCHES MAXIMUM 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.