The Hinge,butt, cataloged under National Stock Number 5340-01-654-2644, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Irwin International, Inc. Dba Irwin International Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-654-2644 |
| Primary Part Number | MS20001P4-3 |
| Item Name | Hinge,butt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Irwin International, Inc. Dba Irwin International Inc |
| Status | ACTIVE |
| Pin Diameter | 0.930 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN |
| Reversible Feature | NOT INCLUDED |
| Body Width | 1.500 INCHES NOMINAL IN |
| Style Designator | BUTT |
| Pin Center to Body Edge Distance | 0.076 INCHES MINIMUM AND 0.724 INCHES MAXIMUM IN |
| Material Thickness | 0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Pin Removability | NONREMOVABLE |
| Specification/standard Data | 96906-MS20001P GOVERNMENT STANDARD |
| Surface Treatment | UNABLE TO DECODE |
| 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 |
|---|---|
| MS20001P4-3 | Irwin International, Inc. Dba Irwin International Inc (USA) |
| Reference | Meaning |
|---|---|
| MS20001 | 4/1 Identification reference U.S. Government activity |
| MS20001P4-3 | 2/2 Government specification standardization U.S. Government activity |
NSN 5340-01-654-2644 is a Hinge,butt, manufactured by Irwin International, Inc. Dba Irwin International Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-654-2644 has 1 manufacturer part number on file: MS20001P4-3 (Irwin International, Inc. Dba Irwin International Inc).
Key specifications for MS20001P4-3: Pin Diameter: 0.930 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN; Reversible Feature: NOT INCLUDED; Body Width: 1.500 INCHES NOMINAL IN; Style Designator: BUTT. 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.