The Hinge,butt, cataloged under National Stock Number 5340-01-540-0387, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-540-0387 |
| Primary Part Number | 12442051-001 |
| Item Name | Hinge,butt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Pin Diameter | 0.187 INCHES NOMINAL IN |
| Mounting Hole Quantity | 28 |
| Reversible Feature | NOT INCLUDED |
| Surface Treatment Document and Classification | UNABLE TO DECODE |
| Style Designator | BUTT |
| Mounting Hole Diameter | 0.192 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 1.250 INCHES NOMINAL IN |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| Knuckle Quantity | 144 |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 12442051-001 | Oshkosh Defense Llc (USA) |
| 12442051-001 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12442051-001 | 5/9 Secondary reference Oshkosh Corp |
NSN 5340-01-540-0387 is a Hinge,butt, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-540-0387 has 2 manufacturer part numbers on file: 12442051-001 (Oshkosh Defense Llc), 12442051-001 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12442051-001: Pin Diameter: 0.187 INCHES NOMINAL IN; Mounting Hole Quantity: 28; Reversible Feature: NOT INCLUDED; Surface Treatment Document and Classification: UNABLE TO DECODE. 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.