The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-160-7797, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-160-7797 |
| Primary Part Number | A51B48503-12 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.260 INCHES NOMINAL IN |
| Style Designator | BUTT BLANK |
| Pin Center to Body Edge Distance | 0.438 INCHES NOMINAL IN |
| Hinge Mounting Type | FULL SURFACE |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.220 INCHES NOMINAL IN |
| Knuckle Quantity | 4 |
| End Knuckle Length | 0.160 INCHES NOMINAL IN |
| Knuckle Length | 0.244 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 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 |
|---|---|
| A51B48503-12 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51B48503-12 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51B48503-12 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-00-160-7797 is a Leaf,butt Hinge, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-160-7797 has 1 manufacturer part number on file: A51B48503-12 (Northrop Grumman Systems Corporation).
Key specifications for A51B48503-12: Mounting Hole Quantity: 2; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.260 INCHES NOMINAL IN; Style Designator: BUTT BLANK. 14 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.