The Leaf,butt Hinge, cataloged under National Stock Number 5340-00-008-5749, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-008-5749 |
| Primary Part Number | A51B92581-13 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Style Designator | BUTT PARALLEL HOLES |
| Mounting Hole Diameter | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 1.000 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 2.250 INCHES NOMINAL IN |
| Knuckle Quantity | 4 |
| Knuckle Length | 0.495 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Knuckle Type | FRICTION |
| Performance Type | LIGHT DUTY |
| 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 |
|---|---|
| A51B92581-13 PRIMARY | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| A51B92581-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-00-008-5749 is a Leaf,butt Hinge, manufactured by Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-008-5749 has 1 manufacturer part number on file: A51B92581-13 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace).
Key specifications for A51B92581-13: Mounting Hole Quantity: 2; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN; Style Designator: BUTT PARALLEL HOLES. 15 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.