The Locking Plate,nut and Bolt, cataloged under National Stock Number 5340-00-423-8144, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-423-8144 |
| Primary Part Number | 0T0290 |
| Item Name | Locking Plate,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| FSC Application Data | CLUTCH ASSEMBLIES,VEHICULAR |
| Distance Between Mounting Hole Centers | 1.750 INCHES NOMINAL IN |
| Style Designator | STRAIGHT |
| Mounting Hole Diameter | 0.531 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLAT |
| Width | 1.000 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 0T0290 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| T290 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 6H5934 | C/1 Advisory reference — outside the item-of-supply concept Caterpillar Inc Div Caterpillar Defense |
NSN 5340-00-423-8144 is a Locking Plate,nut and Bolt, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-423-8144 has 1 manufacturer part number on file: 0T0290 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-496-2484. Verify interchangeability with system specifications before substitution.
Key specifications for 0T0290: Mounting Hole Quantity: 2; FSC Application Data: CLUTCH ASSEMBLIES,VEHICULAR; Distance Between Mounting Hole Centers: 1.750 INCHES NOMINAL IN; Style Designator: STRAIGHT. 8 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.