The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-009-0475, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Capy Machine Shop Inc. Dba Capy Machine Shop Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-009-0475 |
| Primary Part Number | A51B52550-13 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Capy Machine Shop Inc. Dba Capy Machine Shop Inc |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Style Designator | BUTT BLANK |
| Pin Center to Body Edge Distance | 1.040 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Knuckle Quantity | 17 |
| Knuckle Length | 0.481 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| A51B52550-13 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| A51B52550-13 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51B52550-13 | 5/2 Secondary reference U.S. Government activity |
| A51B52550-13 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51B52550-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-00-009-0475 is a Leaf,butt Hinge, manufactured by Capy Machine Shop Inc. Dba Capy Machine Shop Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-009-0475 has 1 manufacturer part number on file: A51B52550-13 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc).
Key specifications for A51B52550-13: Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN; Style Designator: BUTT BLANK; Overall Length: 49.745 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.