The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-660-7423, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-660-7423 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Surface Treatment Document and Classification | ANODIZED, MIL-A-8625, TYPE 2 OVERALL MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Knuckle Inside Diameter | 0.173 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Style Designator | BUTT BLANK |
| Pin Center to Body Edge Distance | 1.250 INCHES NOMINAL IN |
| Material Thickness | 0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Knuckle Length | 0.505 INCHES MINIMUM AND 0.509 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 |
| Reference | Meaning |
|---|---|
| MS20001 | 4/1 Identification reference U.S. Government activity |
| MS20001PH9-4550 | 2/2 Government specification standardization U.S. Government activity |
| AS20001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5340-01-660-7423 is a Leaf,butt Hinge, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-660-7423: Reversible Feature: NOT INCLUDED; Surface Treatment Document and Classification: ANODIZED, MIL-A-8625, TYPE 2 OVERALL MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Knuckle Inside Diameter: 0.173 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN; Style Designator: BUTT BLANK. 10 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.