The Hinge,butt, cataloged under National Stock Number 5340-01-020-5540, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-020-5540 |
| Primary Part Number | 603B476H01 |
| Item Name | Hinge,butt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| Reversible Feature | NOT INCLUDED |
| Body Width | 6.000 INCHES NOMINAL IN |
| Style Designator | BUTT |
| Mounting Hole Diameter | 0.264 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 1.000 INCHES NOMINAL IN |
| Hinge Mounting Type | FULL SURFACE |
| Material Thickness | 0.064 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN |
| Pin Removability | NONREMOVABLE |
| Knuckle Quantity | 12 |
| 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 |
|---|---|
| 603B476H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 603B476H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-01-020-5540 is a Hinge,butt, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-020-5540 has 1 manufacturer part number on file: 603B476H01 (Northrop Grumman Support Services Corp).
Key specifications for 603B476H01: Mounting Hole Quantity: 6; Reversible Feature: NOT INCLUDED; Body Width: 6.000 INCHES NOMINAL IN; Style Designator: BUTT. 13 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.