The Hinge,butt, cataloged under National Stock Number 5340-01-021-4004, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-021-4004 |
| Primary Part Number | 144C389H01 |
| Item Name | Hinge,butt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Pin Diameter | 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Mounting Hole Quantity | 12 |
| Reversible Feature | NOT INCLUDED |
| Surface Treatment Document and Classification | UNABLE TO DECODE |
| Style Designator | BUTT |
| Mounting Hole Diameter | 0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 0.750 INCHES NOMINAL IN |
| Hinge Mounting Type | FULL SURFACE |
| Material Thickness | 0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Pin Removability | NONREMOVABLE |
| Departure From Cited Document | AS MODIFIED BY MOUNTING HOLE QUANTITY |
| Knuckle Quantity | 24 |
| Surface Treatment | UNABLE TO DECODE |
| Material | UNABLE TO DECODE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 144C389H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| MS20001P4-1150 | 4/1 Identification reference U.S. Government activity |
| 144C389H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-01-021-4004 is a Hinge,butt, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-021-4004 has 1 manufacturer part number on file: 144C389H01 (Northrop Grumman Support Services Corp).
Key specifications for 144C389H01: Pin Diameter: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN; Mounting Hole Quantity: 12; Reversible Feature: NOT INCLUDED; Surface Treatment Document and Classification: UNABLE TO DECODE. 16 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.